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Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 8458
Experience:  worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
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Thermoking tripack apu Tripack was working. Woke up during

Customer Question

Thermoking tripack apu Tripack was working. Woke up during the night and truck switch had been turned on. Now tripack will not start. Stopped at thermoking dealer. They said curcuit board was bad. Replaced curcuit board myself. Now the controller will
not select temperature or move from Ac to heat. Fan speed will not change.
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Wayne replied 1 year ago.
Hi I'm WayneI will help you with this did it do this before the PC board was replace let me know
Customer: replied 1 year ago.
Apu was running and automatically turned on the ignition switch to the truck. The next time I tried to use the apu it wouldn't start. This happened before I replaced the curcuit board
Expert:  Wayne replied 1 year ago.
Thank you for that
that will happen when battery is getting low, or
block temp falls below set temp
do you have a codes on the screen
Customer: replied 1 year ago.
I have no codes
Customer: replied 1 year ago.
I have not recieved an satisfactory answer
Expert:  Wayne replied 1 year ago.
Hi
Sorry for the delay
It takes a while at times, I have to take answers as they come
it is a busy day
Ok go to the inter face board, inside the unit
check for power at the 2 and 2a wire
then at the 7c wire and check all fuses also
let me know what you find
Customer: replied 1 year ago.
Wayne I have attached three photos of the original board. Can you tell me where the wires you mentioned should be attached.
Expert:  Wayne replied 1 year ago.
Hi Here is a pic of the PC board
Customer: replied 1 year ago.
Sorry that's not my pc board. It doesn't have fuses on the board. It is a pre-2006 board.
Expert:  Wayne replied 1 year ago.
Hi Thank you for that
each terminal is marked
with a number, look at the side for the number
Wayne
Customer: replied 1 year ago.
Wayne i have current to 2 2a and 7 a
Expert:  Wayne replied 1 year ago.
Morning do you still have the old PC board put that back in and see if you have same thing or is this why you changed the PC board
Customer: replied 1 year ago.
Wayne. Thermo king in odessa tx told me it was the curcuit board I am having more issues now
Expert:  Wayne replied 1 year ago.
Thank you for that That is why I am wondering if this was the same problemas before, reason I ask ,it may be the wrong board Try this Press and hold both theUp Arrow and Down Arrowkeys until [PPP] appears inthe display.[PPP] appears in the display.2 Press the Mode key toadvance to the firstProgram Feature.[ctd] appears. Controller Temperature Display3 Press the Up Arrow key orDown Arrow key once todisplay the feature setting.Record the feature setting[cts, SPt, dbg, OFF or otS].4 Press the Mode key toadvance to the nextProgram Feature.[ddL] appears. Display Dimmer LevelPage 2P41VA01A –
Customer: replied 1 year ago.
Did PPP then ctd then spt then ddl. Now what?
Expert:  Wayne replied 1 year ago.
OK ,I am going to send you 5 pages to reprogram it it will take a while 10-15 min
Expert:  Wayne replied 1 year ago.
Ok here it is , go thru all the steps, if this does not work, then you know board is wrong/faulty
Expert:  Wayne replied 1 year ago.
page 2
Expert:  Wayne replied 1 year ago.
page 3
Expert:  Wayne replied 1 year ago.
page 4
Expert:  Wayne replied 1 year ago.
Ok you will need to start all over again, with 1 st page I sent
Customer: replied 1 year ago.
Thanks for the pages. Am missing steps 25-34.
Expert:  Wayne replied 1 year ago.
Sorry about that
Expert:  Wayne replied 1 year ago.
Hi
I'm just following up with you
did my answer help you
let me know
Wayne
Expert:  Wayne replied 1 year ago.
Hi ***** following up with you
did my answer help
let me know Please
Wayne

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