Troubleshooting CRX PRO 0050T, CRX PRO 0065T
26
Compressor does not run (battery connection)
Problem Possible cause Remedy
U
Term
= 0 V There is an interruption in the
battery – electronics connection
Establish a connection
Main switch faulty (if installed) Replace the main switch
Additional supply line fuse has blown
(if installed)
Replace the supply line
fuse
U
Term
≤ U
CON
Battery voltage is too low Charge the battery
Start attempt with
U
Term
≤ U
OFF
Loose cables
Poor contact (corrosion)
Establish a connection
Battery capacity too low Replacing the battery
Cable cross section too small Replace the cable
(fig. 9, page 7)
Start attempt with
U
Term
≥ U
ON
Ambient temperature too high –
Insufficient ventilation Move the refrigerator to
another location
Condenser is dirty Clean the condenser
Electric circuit between
the pins in the compres-
sor interrupted
Defective compressor Contact customer service
No input voltage for
controller and load
dump board
Defective controller and load dump
board assembly
Replace complete control
module
U
Term
Voltage between the positive and negative terminals of the electronics
U
ON
Cut-in voltage of the electronics
U
OFF
Cut-off voltage of the electronics
DometicCRXPRO0050T-CRXPRO0065T_IOM_4445103471_AMER3(en-fr-es)_202x-xx-xx.book Seite 26 Mittwoch, 28. Juli 2021 9:54 09