4.11 Compressor does not
A. Compressor relay or overload
A. Replace compressor relay or
start (no hum), but
malfunctioning.
overload.
condenser fan motor
B. Inadequate voltage.
B. Measure voltage across common
runs.
and run terminal on compressor.
Voltage must not drop below 90%
of rated voltage.
C. Incorrect wiring.
C. Refer to wiring diagram and correct.
D. Compressor malfunctioning.
D. Replace compressor.
4.12 Compressor starts and
A. Ice bank control failure.
A. Replace ice bank control.
continues to run until
B. Incorrect wiring.
B. Refer to wiring diagram and correct.
freeze up and will not
C. Probe shorted.
C. Check probe for foreign material or
cut off.
damage.
4.13 Compressor does not
A. Inadequate voltage.
A. Measure voltage across common
start but hums.
and run terminal on compressor.
Voltage must not drop below 90%
of rated voltage.
B. Incorrect wiring.
B. Refer to wiring diagram and correct.
C. Starting relay malfunctioning.
C. Replace starting relay. Be sure to
use correct relay. Failure to use
correct relay will cause compressor
failure.
D. Compressor malfunctioning.
D. Replace compressor.
4.14 Compressor starts but
A. Inadequate voltage.
A. Measure voltage across common
does not switch off start
and run terminal on compressor.
winding (will run for only B. Incorrect wiring.
B. Refer to wiring diagram and correct.
a few seconds before
C. Starting relay malfunctioning.
C. Replace starting relay. Be sure to
internal overload
use correct relay. Failure to use
switches compressor off).
correct relay will cause compressor
failure.
4.15 Compressor starts and
A. Dirty condenser.
A. Clean the condenser.
runs a short time but
B. Insufficient or blocked air flow. B. Remove all obstructions and allow
shuts off on overload.
for minimum clearances of 15
inches (380 mm) over top.
C. Inadequate voltage.
C. Measure voltage across common
and run terminal on compressor.
Voltage must not drop below 90%
of rated voltage.
D. Incorrect wiring.
D. Refer to wiring diagram and correct.
E. Defective condenser fan
E. Replace condenser fan motor.
motor.
F. Refrigerant leak.
F. Repair and recharge.
G. Compressor malfunctioning.
G. Replace compressor.
4.16 Compressor and
A. Transformer tripped.
A. Reset transformer.
Condenser Fan Motor
B. Relay will not turn on
B. Failed relay. Replace Control
will not start after
compressor.
Board.
five (5) minute Power
C. Probe unplugged.
C. Check probe connection at PCB.
Off delay
(Lancer EIBC
Export only)
.
4.17 Compressor and
A. Improper Wiring.
A. Check Power Indicator Lamp;
Condenser Fan Motor
check wiring per Wiring Diagram.
will not start after
B. Probe unplugged.
B. Check Probe connection at PCB.
five (5) minute Power
C. Damaged electronics.
C. Replace Control.
Off delay
(Lancer EIBC,
USA Only)
.
4.18 Warm drinks.
A. Restricted airflow.
A
Check clearances around sides,
top, and inlet of unit. Remove
objects blocking airflow through
grill.
B. Dispenser connected to hot
B. Switch to cold water supply.
water supply.
(Section 4.18 continued on next page)
6
TROUBLE
CAUSE
REMEDY
Summary of Contents for 500 Series
Page 14: ...13 NOTES...
