Chicago Dryer Edge MAXX, Instruction Manual, Page: 113 / 288

Edge MAXX Troubleshooting
6-11
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 OR 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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Unit Starts, Then Shuts Down
(continued on next page)
1. Control latching circuit
(hold) is defective.
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/PB8 (start) and their associated
contacts, CR0, Wago I/O control mod-
ule, P01, and CR1.
Check Wago I/O control module and
PO1. Replace if necessary or consult
factory.
Check CR0/CR1. Replace if neces-
sary.
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