Troubleshooting Guide - Waeco ADLER /BARBOUR SERIES Installation & Operating Manual

LED BLINK SYMPTOM
CODE
Compressor and fan do not
attempt to start
3
3
2
1 Compressor and fan attempt
to start as shown by momentary
voltage dip, fan movement or
compressor vibration
1
3,4
3
5
4,5
2 Compressor does not run,
fan does not run
Intermittent compressor/
fan operation
Power duct fan does not run
Contents, specifications and availability are subject to change without notice.
TROUBLESHOOTING
TEST / DIAGNOSIS
No power to unit / Blown fuse
Reverse polarity
Pressure too high
Faulty electronic module
Faulty compressor
Faulty / shorted delay
Low voltage at unit: C/o=9.6V
C/in=11.0V
Excessive voltage drop from battery
to unit during start-up attempt
Internal refrigerant pressures
not yet equalized
Faulty electronic module
Faulty compressor
Excessively hot electronic module
Overheated compressor
Defective or shorted relay or
wiring drawing over 0.5 amps
activates protective circuit in electronic
module
Fan / Pump fuse blows
Faulty fan
Faulty wiring to fan
Fan okay, but module faulty
test by putting 12V to fan directly
Poor electrical supply, chronic
voltage fluctuations
Faulty control module
Faulty compressor
Faulty fan (test with 12V DC power
source)
Faulty wiring to power duct fan
Tel. (860) 664-4911 • Fax. (860) 664-4912 • www.waecousa.com
CORRECTIVE
ACTION
Replace MAIN fuse (15 amp).
Correct wiring refer to manual
Correct polarity
Wait, try again
Replace module
Call WAECO USA (860.664-4911)
Replace PCB inside stainless
steel electrical box
Charge battery
Correct wiring (refer to manual)
Shut off power, wait 15 minutes,
restore power
Replace electronic module
Call factory
Improve air flow to unit
Improve air flow to unit
Replace PCB inside stainless steel
electrical box
Replace fuse (5 amp)
Replace fan
Repair wiring fault
Replace electronic module
Review manual, correct wiring
faults, recharge or replace battery
Replace control module
Call WAECO USA (860.664-4911)
Replace fan
Repair wiring
WAECO USA, Inc.
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