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Wazzer
26-11-2007, 06:59 PM
I got some very good advice from this site earlier and thought i had sorted the problem out but now a fault code [ AH1 ] has appeared on the contoller. Does anyone know what this fault code is and how to solve. The system has an Eliwell ID 974 controller.
Any help will be greatfull

Regards

Wazzer

ARNL
26-11-2007, 08:18 PM
Hi Wazzer

Its the high temp allarm, probe 1 (thermostat probe)

Hope this helps

Pete

on4hf
26-11-2007, 09:52 PM
Hope this might help.:)
Sorry, noticed that it is in dutch.:(

Grizzly
14-12-2007, 02:40 AM
wazzer.
Go to my link ALARM CODES in refrigeration Books
and follow the link.
scroll down page to alarm code Tech. Bulletin. Open it and select ID974 pdf.
Grizzly

hendry
14-12-2007, 06:10 PM
Wazzer

High temperature alarm (referred to
the thermostat probe or probe 1)

it is on page 2 of 6 of the Manual.

Soko
19-12-2007, 10:11 AM
You should find HAL and change it to higher value. Of course, you should do that if everything else is fine.
HAL means High temp. alarm. An example: if your Set Point value is +2C and HAL is 10 then you should get AH when temp. reach 12C. If you change HAL to 15 then AH will show up when temp reach 17C.
First of all you should find a reason for high temp.