ltscrash
25-10-2011, 02:54 AM
Having problems with a 60NT40
20 foot Reefer.
On arrival I found the controller board burnt. I replaced the controller , and the reefer started and ran.
The following faults where present.
IA22 Evap Fan safety
AA 67 Humidity Sensor
68
53 Main voltage Sensor
62 Compressor circuit.
I was unable to clear the fault list.
Next day I was called and the reefer had stopped.
I went to site and found the reefer stopped, with just the alarm light showing, tried to reset but the same.
Faults are
IA 22
AA67
AA68
AA53
IA 62
IA 61
AA54
AA56
AA26
AA54
The supply air reading is at 50 deg C, Return at 29 degree C
Ambient temp is around 28 deg c, Tested the STS 8.07 k Ohms, RTS 9.08K Ohms,
DTS 7.0K Ohms, AMBS 7.0 Kohms.
both IP-EM1 and IP- EM2 are closed.
I am not sure what to check from here , any advise would be greatly appreciated
Regards
Chris
LTS
20 foot Reefer.
On arrival I found the controller board burnt. I replaced the controller , and the reefer started and ran.
The following faults where present.
IA22 Evap Fan safety
AA 67 Humidity Sensor
68
53 Main voltage Sensor
62 Compressor circuit.
I was unable to clear the fault list.
Next day I was called and the reefer had stopped.
I went to site and found the reefer stopped, with just the alarm light showing, tried to reset but the same.
Faults are
IA 22
AA67
AA68
AA53
IA 62
IA 61
AA54
AA56
AA26
AA54
The supply air reading is at 50 deg C, Return at 29 degree C
Ambient temp is around 28 deg c, Tested the STS 8.07 k Ohms, RTS 9.08K Ohms,
DTS 7.0K Ohms, AMBS 7.0 Kohms.
both IP-EM1 and IP- EM2 are closed.
I am not sure what to check from here , any advise would be greatly appreciated
Regards
Chris
LTS