Chicago Dryer King Edge VAc, Instruction Manual

Page: 116 / 302

Troubleshooting King Edge Vac
6-12
WARNING
Only trained personnel with experience
in electrical or mechanical repair should
troubleshoot and repair the unit.
Troubleshooting
WARNING
Read the REPAIR chapter and make
sure that the power is disconnected
before doing any repairs.
ISSUE POSSIBLE CAUSE SOLUTION
(continued from previous page)
Unit Does Not Start
Message reads:
CIRCUIT BREAKER TRIPPED
SERVICE OR CLEAR FAULT
INVERTER/MOTOR OVER-
LOAD
SERVICE OR CLEAR FAULT
3. Inverter needs to be reset. Reset the inverter:
Turn the power OFF at the main dis-
connect switch.
Wait one minute.
Turn power ON at the main disconnect
switch.
If the fault repeats:
Input voltage is too high or low. The
voltage should be between 185v and
245v.
There is a motor over current. Check
for excessive physical load on the
motor.
Open circuit between an inverter and
its motor.
An inverter-powered motor is bad.
There is an overbraking problem.
Contact the Chicago Dryer factory
Service Department.
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Florescent Lamp Does Not
Light
1. Bulb is burn out. Check/replace as necessary. •
2. Fixture/ballast is bad. Check/replace components as neces-
sary.
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3. CB 9 is tripped. Check/reset as necessary. •
4. T9 is back. Check/replace as necessary. •
Unit Starts, Then Shuts Down
(continued on next page)
1. Control latching circuit
(hold) is defective.
(continued on next page)
Perform the following check:
Press a red safety STOP button or
open an interlock switch.
Press START and check for message
indicating open safety switch location.
See if message stays displayed or
disappears after a few seconds.
If message disappears after a few
seconds:
Check wiring connections between
PB7 (start) and their associated con-
tacts, PSC1, MPC1, OC1 and CR1.
Check PSC1/MPC1 and OC1. Replace
if necessary or consult factory.
Check CR1. Replace if necessary.
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