Hello Everyone,
I hope someone can be of assistance with the following issue that has recently occurred with my Truma s3002 ultraheat electric heating.
I have read many of the posts on this forum and and others with regards to the issue i am having.
The problem I am having is that the S3002 heater is not generating any heat when solely on the electric element part of the system.
I am aware that the system is basically three different parts.
1. the gas heating unit / 2. the electric element unit /3. the blower fan unit.
the system worked fine all for the majority of last year , but i did notice the last couple of times that the system was only blowing out cold air when hooked up to a EHU and the electric element selected.
After reading all the posts I could locate on the issue. I suspected the max upper limit switch? and lower switch/thermostats may have become faulty which i believe is a common issue.
The issue is as follows.
when the electric element is selected on EHU .
The green light on the ultraheat control dial illuminates and when rotated the thermostat can be heard clicking on and off as the dial is rotated.
A click can also be heard coming from the rear of the truma unit, which I believe is one of the relays.
Unfortunately no heat is generated on any of the 500w/1000w/or 2000w settings.
Today ,I removed the fascia and the gas unit to access the elements and the limit switches ,fully expecting them to be discoloured or showing signs of deterioration but they looked brand new (shiny unmarked galvanised coating). I pressed on the the upper switch and it seemed to depress (is this it resetting?).
Stupidly , I didn't have my multimeter with me to check the continuity on the switches, so i could not perform that check upon them.
If someone could advise me how to check the electric element with the multimeter ( is it the resistance)I would be very grateful.
I could not unplug two plugs (see image)attached to the rear of the unit ( they were extremely firmly attached) and I was concerned that I may damage the unit so didn't get access to the board with the relay switches upon it.
If there is a way I can check if they are faulty I would appreciated guidance on how to achieve this.
Before I order either the new limit switches or a new electric element or both I would be grateful if i could eliminate anything that does not require replacing.
Many thanks in advance for any assistance offered I really appreciate it.
Best regards
Glenn
I hope someone can be of assistance with the following issue that has recently occurred with my Truma s3002 ultraheat electric heating.
I have read many of the posts on this forum and and others with regards to the issue i am having.
The problem I am having is that the S3002 heater is not generating any heat when solely on the electric element part of the system.
I am aware that the system is basically three different parts.
1. the gas heating unit / 2. the electric element unit /3. the blower fan unit.
the system worked fine all for the majority of last year , but i did notice the last couple of times that the system was only blowing out cold air when hooked up to a EHU and the electric element selected.
After reading all the posts I could locate on the issue. I suspected the max upper limit switch? and lower switch/thermostats may have become faulty which i believe is a common issue.
The issue is as follows.
when the electric element is selected on EHU .
The green light on the ultraheat control dial illuminates and when rotated the thermostat can be heard clicking on and off as the dial is rotated.
A click can also be heard coming from the rear of the truma unit, which I believe is one of the relays.
Unfortunately no heat is generated on any of the 500w/1000w/or 2000w settings.
Today ,I removed the fascia and the gas unit to access the elements and the limit switches ,fully expecting them to be discoloured or showing signs of deterioration but they looked brand new (shiny unmarked galvanised coating). I pressed on the the upper switch and it seemed to depress (is this it resetting?).
Stupidly , I didn't have my multimeter with me to check the continuity on the switches, so i could not perform that check upon them.
If someone could advise me how to check the electric element with the multimeter ( is it the resistance)I would be very grateful.
I could not unplug two plugs (see image)attached to the rear of the unit ( they were extremely firmly attached) and I was concerned that I may damage the unit so didn't get access to the board with the relay switches upon it.
If there is a way I can check if they are faulty I would appreciated guidance on how to achieve this.
Before I order either the new limit switches or a new electric element or both I would be grateful if i could eliminate anything that does not require replacing.
Many thanks in advance for any assistance offered I really appreciate it.
Best regards
Glenn
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