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Boiler not working. Heating System Diagnosis

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Language: en

00:00:00.120
okay so this job here was an incorrect
00:00:03.889 00:00:03.899 diagnosis plus someone I will send out
00:00:06.860 00:00:06.870 the wrong parts and this just shows you
00:00:09.020 00:00:09.030 how to diagnose a system fault but I
00:00:13.400 00:00:13.410 have to apologize for assailed on this
00:00:15.230 00:00:15.240 video I got a new phone case and it made
00:00:17.750 00:00:17.760 it really crackly so I've had to overlay
00:00:20.390 00:00:20.400 a lot of the sound and the bits I've
00:00:23.029 00:00:23.039 left in because it was just impossible
00:00:24.380 00:00:24.390 to sort of redo it on it's quite bad so
00:00:27.830 00:00:27.840 I'm sorry about that I hope it's uh it's
00:00:30.710 00:00:30.720 not too bad and do watch to the end
00:00:32.870 00:00:32.880 because at the end I'll show you the
00:00:34.130 00:00:34.140 easy way to diagnose this fault with
00:00:35.900 00:00:35.910 this particular programmer alright
00:00:39.229 00:00:39.239 thanks alright okay guys this video here
00:00:43.760 00:00:43.770 is kind of I've just arrived here I've
00:00:46.069 00:00:46.079 been sending to replace this grandpa's
00:00:47.990 00:00:48.000 pump people people weren't sure what was
00:00:51.619 00:00:51.629 wrong with this the ladies complain of
00:00:53.000 00:00:53.010 no hot water I noticed that the timers
00:00:56.209 00:00:56.219 both lights from the timer but the
00:00:58.459 00:00:58.469 outlet at a cylinder here is tepid it's
00:01:01.220 00:01:01.230 probably just over 35 degrees when I
00:01:05.060 00:01:05.070 open this up the boiler says the pumps
00:01:07.520 00:01:07.530 running which isn't press I and it says
00:01:11.840 00:01:11.850 it's in s 98 which means it's doing a
00:01:15.499 00:01:15.509 self check the pump isn't running here
00:01:19.340 00:01:19.350 well that's one on the display I fill
00:01:21.140 00:01:21.150 the palm of my hand and our lights not
00:01:23.420 00:01:23.430 running there's no there's no vibration
00:01:24.740 00:01:24.750 on it so there's still definitely a
00:01:28.580 00:01:28.590 demand on there now under this cover
00:01:32.420 00:01:32.430 here I'll taking it off and see there's
00:01:34.940 00:01:34.950 an earth wire hanging out there already
00:01:36.469 00:01:36.479 well go check what that's for but
00:01:38.600 00:01:38.610 obviously that should go somewhere and
00:01:41.840 00:01:41.850 I've done a little bit of testing on the
00:01:43.429 00:01:43.439 cylinder stat-wise so quite simply our
00:01:48.200 00:01:48.210 traces has that cable boy just grabbing
00:01:51.590 00:01:51.600 it and moving it in the box to see
00:01:53.569 00:01:53.579 what's what and as you'll see it's a
00:01:56.170 00:01:56.180 brown a blue and an earth with some red
00:01:58.969 00:01:58.979 tape on it now all I did quite simply
00:02:01.730 00:02:01.740 was one probe on neutral two main
00:02:04.280 00:02:04.290 neutral in there and then check all
00:02:06.020 00:02:06.030 three of them only one of them had power
00:02:07.819 00:02:07.829 which was the earth with the red tape
00:02:10.040 00:02:10.050 which also is connected to the gray of
00:02:12.559 00:02:12.569 the three
00:02:13.670 00:02:13.680 now that wire-rimmed the greater
00:02:15.470 00:02:15.480 three-port should be hot water off so
00:02:19.850 00:02:19.860 the fact I've got 240 on it tells me
00:02:22.640 00:02:22.650 that nothing is telling that three-port
00:02:24.860 00:02:24.870 to be in hot water mode so a few
00:02:28.400 00:02:28.410 different things here that will odd s 98
00:02:31.250 00:02:31.260 and the boiler showing that the pump was
00:02:33.080 00:02:33.090 running tepid cylinder power on the off
00:02:39.610 00:02:39.620 when the time we had bow flights on for
00:02:43.640 00:02:43.650 demand so this how go about testing it
00:02:46.850 00:02:46.860 now but so first things first I am
00:02:50.420 00:02:50.430 opened up the controls cover and this is
00:02:53.509 00:02:53.519 why we get the pump symbol without the
00:02:54.979 00:02:54.989 pump running it's quite simply not wired
00:02:57.050 00:02:57.060 into the boiler all we have in there is
00:02:59.690 00:02:59.700 live neutral - switch so I'll follow the
00:03:02.600 00:03:02.610 boiler cable across which is that one
00:03:05.300 00:03:05.310 and guess what's not earthed the boiler
00:03:08.690 00:03:08.700 is nerfed so obviously I'm gonna have to
00:03:12.890 00:03:12.900 sort that out while I'm here and the
00:03:16.670 00:03:16.680 pump obviously isn't wired into the
00:03:18.550 00:03:18.560 boiler as it should be so should sort
00:03:20.960 00:03:20.970 that out now I believe that the actual
00:03:23.150 00:03:23.160 fault here noise with the timer so the
00:03:29.090 00:03:29.100 wedge check that electronically is to
00:03:30.949 00:03:30.959 take you off and link it out and do some
00:03:32.539 00:03:32.549 bits and bobs but I'm not gonna wire the
00:03:35.120 00:03:35.130 pump into the boiler because I'm not
00:03:37.129 00:03:37.139 here to rectify installation defects as
00:03:39.860 00:03:39.870 part of contracts I'm here or not I
00:03:41.420 00:03:41.430 won't be doing that but I shall do some
00:03:44.120 00:03:44.130 further investigation on this now the
00:03:45.650 00:03:45.660 way I think it's wired is obviously you
00:03:49.520 00:03:49.530 can see the authorizing with the gray
00:03:50.840 00:03:50.850 have door motor as well so that should
00:03:53.300 00:03:53.310 be hot water off the brown goes in with
00:03:57.830 00:03:57.840 the orange there which dictates that
00:04:01.789 00:04:01.799 should then be hot water demand and the
00:04:05.449 00:04:05.459 blue goes in with the blue there which
00:04:07.190 00:04:07.200 should be power from the program and I
00:04:10.280 00:04:10.290 can tell you now the blue going in with
00:04:13.430 00:04:13.440 the blue which is there should have 240
00:04:17.479 00:04:17.489 on it if the program is on it doesn't
00:04:19.479 00:04:19.489 the grey does have 240 on it and that's
00:04:24.170 00:04:24.180 not come from the cylinder step
00:04:26.060 00:04:26.070 so it must be an issue there with a
00:04:28.040 00:04:28.050 problem of causing that so I'm guessing
00:04:29.540 00:04:29.550 when we open up the programmer the blue
00:04:32.080 00:04:32.090 wire that's by itself into hot water on
00:04:36.110 00:04:36.120 the programmer so I'm gonna take the
00:04:39.590 00:04:39.600 front off that programmer and just
00:04:40.910 00:04:40.920 double-check that but most suspicions
00:04:43.730 00:04:43.740 will be confirmed if that blue wire is
00:04:45.230 00:04:45.240 hot water on then I know I'm on the
00:04:47.960 00:04:47.970 right track and it's gonna be that
00:04:49.130 00:04:49.140 programmer but this is how you dis how I
00:04:52.700 00:04:52.710 always start this easy way to check your
00:04:54.740 00:04:54.750 Warren's correct is uh it's used to wise
00:04:58.340 00:04:58.350 you know you know what they should be so
00:05:01.160 00:05:01.170 use the wires from those three ports or
00:05:02.900 00:05:02.910 two ports to guide you on what the other
00:05:05.870 00:05:05.880 wiring should be is there it's the easy
00:05:07.850 00:05:07.860 way to stop it's almost you know this
00:05:28.850 00:05:28.860 but the blue one there which goes into
00:05:31.190 00:05:31.200 number three is hot water run so this
00:05:35.060 00:05:35.070 wasn't sending out power when it should
00:05:37.130 00:05:37.140 have been so we've got a few issues here
00:05:40.460 00:05:40.470 but this is the one that's causing low
00:05:42.170 00:05:42.180 hot water is the program where this acts
00:05:47.870 00:05:47.880 almost Canora lambs with these quite odd
00:05:50.360 00:05:50.370 the relays fare when these so that if
00:05:55.130 00:05:55.140 you let's say this this program as it is
00:05:57.890 00:05:57.900 you put it on the wall if you put the
00:05:58.910 00:05:58.920 heat you know it'll work
00:06:00.250 00:06:00.260 you put the hot water on it won't work
00:06:04.510 00:06:04.520 they have you turn the heating off and
00:06:06.890 00:06:06.900 then put the hot water on it will work
00:06:08.750 00:06:08.760 there's an oddity with these that if you
00:06:11.960 00:06:11.970 have one on I either green lights on
00:06:13.580 00:06:13.590 here and then you turn the other one on
00:06:15.530 00:06:15.540 it doesn't work you have to turn this
00:06:17.780 00:06:17.790 one off turn that one on and then it all
00:06:20.360 00:06:20.370 springs back into life so the fault here
00:06:23.000 00:06:23.010 is going to be this timer so I'm going
00:06:26.870 00:06:26.880 to just link it out to prove that and
00:06:28.370 00:06:28.380 order it up just put a link across there
00:06:32.480 00:06:32.490 between the live and hot water on
00:06:43.559 00:06:43.569 top 10 plays for no but anyway let's so
00:06:46.029 00:06:46.039 what if this is as I say that this is a
00:06:49.119 00:06:49.129 for when I turn this on that pump should
00:06:50.980 00:06:50.990 run and it does this boiler should be
00:06:55.450 00:06:55.460 live temperatures drop in
00:07:03.780 00:07:03.790 says it's running the pump
00:07:11.250 00:07:11.260 that's 98 mm maybe it's gonna get stuck
00:07:14.040 00:07:14.050 honest 98
00:07:41.339 00:07:41.349 still stuck on s9 the a ball you got to
00:07:43.689 00:07:43.699 pump it in now I'm just gonna check the
00:07:49.059 00:07:49.069 voltage is coming into this I'm going to
00:07:50.770 00:07:50.780 check polarity resistance to earth I've
00:07:56.619 00:07:56.629 got the new E and that's Otto there are
00:08:00.999 00:08:01.009 not sensors it checks on that but you
00:08:02.680 00:08:02.690 should either put up a full code or
00:08:04.420 00:08:04.430 clear that just about to check if it's
00:08:14.649 00:08:14.659 cleared that all his work ops were on in
00:08:24.760 00:08:24.770 that's hope
00:08:31.180 00:08:31.190 start to warm up yeah hot can't hold it
00:08:39.190 00:08:39.200 so simple problem
00:08:47.260 00:08:47.270 that's how I like know is that that
00:08:49.000 00:08:49.010 primer is it full
00:08:56.239 00:08:56.249 that's just got to temperature that same
00:08:58.499 00:08:58.509 reason estan that that piped I said that
00:09:01.110 00:09:01.120 was to what's we can touch here oh and
00:09:03.809 00:09:03.819 it is to hot stuff I can't hold that
00:09:05.749 00:09:05.759 yeah it's too hot so that's it fixed
00:09:10.860 00:09:10.870 that's all it is so moment gone into
00:09:14.189 00:09:14.199 them and that's cuz I'm getting a new
00:09:23.460 00:09:23.470 valve over the weekend and I've emptied
00:09:25.139 00:09:25.149 my current phone completely out I'm
00:09:28.889 00:09:28.899 gonna leave this job I'm gonna leave it
00:09:30.360 00:09:30.370 linked out across there for hot water
00:09:34.249 00:09:34.259 and down here in that terminal block
00:09:37.799 00:09:37.809 there in that total block there that is
00:09:42.179 00:09:42.189 the hot water off just quite simply said
00:09:44.999 00:09:45.009 that the three port doesn't get the
00:09:46.559 00:09:46.569 wrong signal from the parlor and stop I
00:09:48.540 00:09:48.550 think basically the heating was to come
00:09:50.460 00:09:50.470 on as well it would move to heating only
00:09:53.489 00:09:53.499 so I just pulled out leave the safe
00:09:56.009 00:09:56.019 internal block Tomoya and I'll come
00:09:57.929 00:09:57.939 around places tomorrow okay just dawned
00:10:01.590 00:10:01.600 on me there's actually a really easy way
00:10:04.650 00:10:04.660 to test these a while it's a good
00:10:06.660 00:10:06.670 indication alright then I'll just camera
00:10:09.210 00:10:09.220 still is slight caught by 7:00 at night
00:10:12.119 00:10:12.129 and I haven't eaten probably today so
00:10:13.439 00:10:13.449 I'm a little bit shaky right so the
00:10:16.470 00:10:16.480 heating's on we put the hot water on and
00:10:19.199 00:10:19.209 now what do you usually hear from a
00:10:20.639 00:10:20.649 program when you put it on usually hear
00:10:22.439 00:10:22.449 a nice click so let's put that one and
00:10:24.059 00:10:24.069 see what happens
00:10:32.460 00:10:32.470 did you hear a click I didn't hear a
00:10:34.740 00:10:34.750 click there's a ton heating off and see
00:10:37.170 00:10:37.180 if we can hear a click I heard a click
00:10:42.810 00:10:42.820 and I actually had to clicks that one's
00:10:44.610 00:10:44.620 probably just clicked on now so if you
00:10:47.100 00:10:47.110 listen now and I turn this off you'll
00:10:48.390 00:10:48.400 hear a nice click turn here you know
00:10:52.320 00:10:52.330 will hear a nice click turn the hot
00:10:56.070 00:10:56.080 water on now and we probably won't hear
00:10:57.540 00:10:57.550 a click no click the relay inside this
00:11:03.390 00:11:03.400 is not switching nice click that clicks
00:11:10.950 00:11:10.960 now so basically for some reason it can
00:11:12.960 00:11:12.970 only power one relay at a time so
00:11:17.160 00:11:17.170 basically what's happening there as I
00:11:18.660 00:11:18.670 turn the heating off you were hearing
00:11:21.450 00:11:21.460 the heating relay click off but the hot
00:11:23.580 00:11:23.590 water II they click on so if you listen
00:11:25.620 00:11:25.630 carefully here I'll put the heating on
00:11:28.170 00:11:28.180 you'll hear one click I'll put the hot
00:11:31.110 00:11:31.120 water on you won't hear a click at all
00:11:32.550 00:11:32.560 and when I turn the heating off you'll
00:11:34.470 00:11:34.480 hear two clicks almost simultaneous
00:11:36.930 00:11:36.940 almost to get that nice strong click
00:11:44.550 00:11:44.560 nothing practically no and I turn this
00:11:47.160 00:11:47.170 off you'll hear two clicks I hope you
00:11:50.880 00:11:50.890 heard well tiny click there that might
00:11:59.700 00:11:59.710 work that time but that's that's a good
00:12:01.710 00:12:01.720 way to tell anyway
00:12:02.670 00:12:02.680 so the hot wall was disconnected now so
00:12:05.880 00:12:05.890 we can leave it off and we leave the
00:12:07.470 00:12:07.480 heating on so that means this lady will
00:12:11.850 00:12:11.860 have heating when she wants it and the
00:12:13.290 00:12:13.300 hot water will just keep getting topped
00:12:14.670 00:12:14.680 up until tomorrow no comment change this

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