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6.1 Heater Not Working

C

CaliMac

Messages
15
Location
Lossiemouth
Vehicle
T6.1 Coast 150
2 week old 6.1 Coast and heater has stopped working with plenty fuel and battery juice. The symptoms are: control panel indicates on but heater fails to start. There is an audible click every few seconds from the passenger footwell, sounds like a relay clicking off and on, this also reboots the control panel which seems to dump heating selections. With engine running, the panel seems to work as normal but still no heating. Remote control light flashes rather than solid green when selected. The panel also warned that 'maximum running time reached' but that has gone now.
If anyone got any experience or clues they are willing to it would be very welcome?
 
TripleBee

TripleBee

Messages
1,664
Location
melkwegstelsel
Vehicle
T5 SE 140
My remote also flashes the green LED for a couple of seconds. That should be normal. It just means that the heater has accepted the request for starting and has replied to the remote control. If there would be a problem the LED would flash red. There will be no solid green light (at least not on my remote).
As for not starting up I don't really have a clue.
The ticking noise could also be normal, as mine does it too, but that is just the diesel pump pumping diesel.

There could be a couple of possibilities:
Pump not pumping diesel in the heater due to a blocked fuel line?
Bad glow plug not igniting the diesel?
Just a bad heater itself?

Maybe someone else had the same problem once and they can offer a better solution?
 
B J G

B J G

Top Poster
Lifetime VIP Member
Messages
2,298
Location
Stamford
Vehicle
T6 Ocean 204 4Motion
I had a similar problem on my T6 shortly after delivery. Dealer fixed it and said that a wire had come of inside the Heater Unit.
Not a DIY fix in my case.
 
C

CaliMac

Messages
15
Location
Lossiemouth
Vehicle
T6.1 Coast 150
I had a similar problem on my T6 shortly after delivery. Dealer fixed it and said that a wire had come of inside the Heater Unit.
Not a DIY fix in my case.
Thank you for the reply.
My remote also flashes the green LED for a couple of seconds. That should be normal. It just means that the heater has accepted the request for starting and has replied to the remote control. If there would be a problem the LED would flash red. There will be no solid green light (at least not on my remote).
As for not starting up I don't really have a clue.
The ticking noise could also be normal, as mine does it too, but that is just the diesel pump pumping diesel.

There could be a couple of possibilities:
Pump not pumping diesel in the heater due to a blocked fuel line?
Bad glow plug not igniting the diesel?
Just a bad heater itself?

Maybe someone else had the same problem once and they can offer a better solution?
Thanks for the info. It just seems odd that it worked yesterday and not today after not even moving.
 
WelshGas

WelshGas

Retired after 42 yrs and enjoying Life.
Top Poster
Lifetime VIP Member
Messages
14,854
Location
Cowbridge
Vehicle
T5 SE 180 4Motion
Thank you for the reply.

Thanks for the info. It just seems odd that it worked yesterday and not today after not even moving.
Try this.

For those of you who don't know, if you ever get any problems with roof stuck or any other error say with the heater or fridge, you are able to access the hidden menu in your control panel as used by the VW Engineers.


Access as follows:

1. Hold down the centre of the rotary button together with the menu button (button below with the squares on it)

2. You will get the hidden menu.

3. Rotate the rotary button to get to "VW diagnose" and select this by pressing on the centre of the rotary button.

4. If no errors are present it will display "no errors"

5. If Errors are present then a list of errors will appear

6. Press the centre of the rotary button again to delete all the errors

7. Repeat process above just to check that errors have dissapeared!

8. Re-configure the time and date if neccesary.

Any problems should be resolved assuming these are Electronic and not Mechanical.


Error Codes from Control Panel.


1 = 1 = Pop-up roof

2 = 2 = Plumbing Heating

3 = 3 = Cool box Cooler

4 = 4 = Sewage wastewater

5 = 5 = Fresh water

6 = 6 = Outside temperature

7 = 7 = Battery


Error Code Defect Fault

1010 1010 Short-circuit to (earth) roof

1001 1001 Fuse / short circuit to (plus+) roof

1100 1100 Short-circuit output Roof "on"

1101 1101 Fuse roof "to"

1110 1110 Short-circuit output Roof "to"

1111 1111 Fuse starting Roof "to"

2100 2100 Short-circuit output heating on / off

2101 2101 Fuse output heating on / off

2001 2001 Interrupt input heating 30

3100 3100 Short-circuit output coolbox

3101 3101 Fuse interrupt output coolbox

3001 3001-J698-cooler input error "Active"

3010 3010 Short-circuit input icebox "actual temperature"

3011 3011 Interrupt or fuse input icebox "actual temperature"

4000 4000 Short-circuit to ground water level sensor

4001 4001 Fuse circuit to plus water level sensor failure

5000 5000 Short-circuit to ground water level sensor

5001 5001 Short circuit to plus water level sensor failure

6000 6000 Short-circuit to ground temperature sensor or for outdoor temperature

6001 6001 Fuse / short circuit to plus two temperature sensors for outside temperature

7001 7001 interrupt input interrupt input D +
 
C

CaliMac

Messages
15
Location
Lossiemouth
Vehicle
T6.1 Coast 150
Try this.

For those of you who don't know, if you ever get any problems with roof stuck or any other error say with the heater or fridge, you are able to access the hidden menu in your control panel as used by the VW Engineers.


Access as follows:

1. Hold down the centre of the rotary button together with the menu button (button below with the squares on it)

2. You will get the hidden menu.

3. Rotate the rotary button to get to "VW diagnose" and select this by pressing on the centre of the rotary button.

4. If no errors are present it will display "no errors"

5. If Errors are present then a list of errors will appear

6. Press the centre of the rotary button again to delete all the errors

7. Repeat process above just to check that errors have dissapeared!

8. Re-configure the time and date if neccesary.

Any problems should be resolved assuming these are Electronic and not Mechanical.


Error Codes from Control Panel.


1 = 1 = Pop-up roof

2 = 2 = Plumbing Heating

3 = 3 = Cool box Cooler

4 = 4 = Sewage wastewater

5 = 5 = Fresh water

6 = 6 = Outside temperature

7 = 7 = Battery


Error Code Defect Fault

1010 1010 Short-circuit to (earth) roof

1001 1001 Fuse / short circuit to (plus+) roof

1100 1100 Short-circuit output Roof "on"

1101 1101 Fuse roof "to"

1110 1110 Short-circuit output Roof "to"

1111 1111 Fuse starting Roof "to"

2100 2100 Short-circuit output heating on / off

2101 2101 Fuse output heating on / off

2001 2001 Interrupt input heating 30

3100 3100 Short-circuit output coolbox

3101 3101 Fuse interrupt output coolbox

3001 3001-J698-cooler input error "Active"

3010 3010 Short-circuit input icebox "actual temperature"

3011 3011 Interrupt or fuse input icebox "actual temperature"

4000 4000 Short-circuit to ground water level sensor

4001 4001 Fuse circuit to plus water level sensor failure

5000 5000 Short-circuit to ground water level sensor

5001 5001 Short circuit to plus water level sensor failure

6000 6000 Short-circuit to ground temperature sensor or for outdoor temperature

6001 6001 Fuse / short circuit to plus two temperature sensors for outside temperature

7001 7001 interrupt input interrupt input D +
Can't see if this is an option with 6.1 as there is just the rotary and a touch screen.
 
WelshGas

WelshGas

Retired after 42 yrs and enjoying Life.
Top Poster
Lifetime VIP Member
Messages
14,854
Location
Cowbridge
Vehicle
T5 SE 180 4Motion
Can't see if this is an option with 6.1 as there is just the rotary and a touch screen.
I would have thought there must be some way of VW to read the Diagnostic Codes.
 
C

CaliMac

Messages
15
Location
Lossiemouth
Vehicle
T6.1 Coast 150
Took my wife to work this morning in the van, on return tried again and it now works. I had been using as a home office and may have exceeded some programmed heater time usage rule or I guess something just reset. Hopefully experience may help someone in future. Thanks for all advice.
 
willwander

willwander

VIP Member
Messages
438
Location
UK
Vehicle
T6 Ocean 150
Glad your up an running again.
“maximum running time reached” sounds weird, I’ve had my aux heater running for 4 days/nights straight in my T6, that was running off batteries too
 
Last edited:
Alan Andrews

Alan Andrews

Lifetime VIP Member
Messages
455
Location
Staffordshire
Vehicle
T6 Ocean 150
Is it possible that the heat setting has already been reached, therefore the heater will not start.

Similarly, if the heater switches on, and the van temperature triggers the set temperature, it will switch off.
 
C

CaliMac

Messages
15
Location
Lossiemouth
Vehicle
T6.1 Coast 150
I was aware so even with the van cold and set to 10 it remained off...possibly a glitch brought on by the design change...who knows. Thanks again.
 
Trevor Brown

Trevor Brown

VIP Member
Messages
95
Location
N Ireland
Vehicle
T6 Ocean 204
Just to say I am very grateful for this advice, Welshgas.
I discovered that my heater wasn't working, and tried out the clear error method, and it now seems to be sorted.
I will monitor it over the coming months, and hopes sorted once for all!
Thanks again
 
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