7340_7350-25-33 Series Operations Manual
Rev J 3-31-21
Page 89 of 92
TROUBLESHOOTING
Problem -- Unit will not turn on
Is the unit connected to a dedicated electrical circuit as defined in the installation
section of the manual?
Is there power at the electric outlet the unit is plugged into?
Is the unit’s power switch turned on?
Problem -- Unit temperature is above / below temperature setpoint
Has the unit’s temperature setpoint been recently lowered / raised and if so has the
unit been allowed 12 hours stabilize at the new setpoint?
Has the door been recently opened for an extended period of time?
Are the access port stoppers installed in the cabinet?
Is the condenser filter on the front of the cabinet clean?
Unit humidity level is above / below humidity setpoint (HUMD311-1,-4)
Is the unit connected to a water source as specified in the installation section of the
manual?
Has the unit been leveled to insure the cabinet drain works correctly?
The cabinet’s drain line uses gravity to remove water. Does the drain line have any
rises in it above the cabinet’s drain level that could be trapping water?
Has the unit’s humidity setpoint been recently lowered / raised and if so has the unit
been allowed time to stabilize at the new setpoint?
Has the door been recently opened for an extended period of time?
Are the access port stoppers in the sides of the cabinet installed?
Is the condenser filter on the front of the cabinet clean?
Lights will not come on?
Make sure light banks are plugged in to the correct connector
Check the light timer screen and make sure the touch screen programming is correct
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