EN
Troubleshooting
CRX50, CRX65
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.
0
, page 8)
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 consisting of con-
troller and load dump
board
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
CRX50-65-Truck-IO-US.book Seite 26 Donnerstag, 18. Oktober 2018 3:51 15
Summary of Contents for CoolMatic CRX 50
Page 2: ......
Page 3: ...CRX50 CRX65 3 CRX 50 1 2 3 5 4 6 7 1 1 2 3 5 4 6 7 CRX 65 2 ...
Page 4: ...CRX50 CRX65 4 3 1 2 3 4 8 7 6 5 3s ...
Page 6: ...CRX50 CRX65 6 2 1 5 1 2 6 ...
Page 7: ...CRX50 CRX65 7 7 8 9 ...
