anyone know anything about apu codes?

what kind of APU - make/model

www.rigmasterpower.com/.../RigMaster_Trouble-Shooting-Guide.pd...

cdnmedia.endeavorsuite.com/.../TriPac53925_01162012.pdf?v...

 

Google is your friend.

try putting in ThermoKing APU codes and do a search.

I did a basic search on APU codes and found the two PDF's. If you would list your make/model it would narrow down from Global to a more local type of search.

 

they both show codes and how to resolve the codes..

 

http://www.rigmasterpower.com/support-materials.php

Go to Google, put this in - Thermo king apu trouble codes , 7th item down...

[PDF]


[h=3]TriPac DPF Operators Manual[/h]
Page 27 are the trouble codes...

Instead of spending all this time back and forth with me, why not try Google, since no one has any idea of what APU you got and trying to trouble shoot codes is a shot in the dark.

Or, you could call the company that makes it and talk to them.



[h=3][/h]

 

Not knowing what you have is a shot in the dark. I strongly suggest you call a service shop for the make of APU you have.

4) PRESSURE SWITCH FAILURE
The filter assembly includes two electrical pressure
switches that will detect backpressure of 2 psi
(140mbar) and 3 psi (210mbar). When the 2 psi switch
is triggered, regeneration will begin. The 3 psi switch is
for backup if the 2 psi switch fails, in order to protect the
engine from extreme backpressures greater than 3 psi.
If the 3 psi switch is triggered due to a failure of the 2 psi
switch, the Tripac will then begin regeneration whenever
the 3 psi switch is triggered. The EHDPF controller will
attempt to clean the filter twice after the 3 psi switch
has been triggered, and then will permanently shut off
the Tripac (and display "Eng" in the Tripac display) until
a service technician can diagnose the problem. The
"DPF STATUS" light will be blinking slowly (even when
the Tripac is shut off) to notify the operator that service
is required.

TIME BETWEEN REGENERATIONS IS
> 10 HOURS

If there is a hole in the filter body or in the pressure
switch hose, the 2 psi switch will not be able to initiate
a regeneration. This same situation happens if both the
2 psi and 3 psi switches are stuck open. The EHDPF
controller will detect this fault and permanently shut off
the Tripac. The EHDPF controller will permanently shut
off the Tripac (and display "Eng" in the Tripac display)
until a service technician can diagnose the problem. The
"DPF STATUS" light will be blinking (four fast, one slow,
even when the Tripac is shut