07-00283 C 12-02 Copyright 1999, Dri-Eaz Products, Inc.
11
TROUBLESHOOTING QUICK REFERENCE SUMMARY
WARNING: All service procedures below are to be executed with power off
– i.e. unplugged!
PROBLEM
SOLUTION
POWER ON
– NO INDICATOR LIGHTS
Check that the unit is plugged in, and that the circuit is
supplying power to the unit.
Check the two "Main" fuses (see Fuse Diagram).
DRITEC 325 ONLY:
"BLOWER ON" OR "HEATER ON"
LIGHT IS OFF
Check fuses. Do not replace until determining cause of
the fault. Always use the same type and rating fuses.
Check for blocked reactivation air stream.
Check for correct line voltage (± 10%).
Check heating elements and blower motor.
REACTIVATION OUTLET
TEMPERATURE TOO LOW
–
SHOULD BE ABOUT 30°F (17°C)
ABOVE THE TEMPERATURE OF THE ROOM
Check for source of increased moisture in the space
being processed, such as ducting leaks, open doors or
windows, etc.
Check for failed heater elements.
Check that the blower wheel is turning freely.
POOR DEHUMIDIFYING
PERFORMANCE
– UNIT IS RUNNING
Check for blocked air filter, blocked air inlet, or blocked
air outlet(s).
Check for increased humidity loads. Check the process
space for open doors, leaks in the ductwork etc.
Check for low temperature at the reactivation outlet.
Check the heating elements.
Check for rotation of rotor.
ROTOR HAS STOPPED
Check fuses. Do not replace until determining cause of
the fault. Always use the same type and rating fuses.
Check drive belt and motor.
Check for worn seals.
Dri-Eaz Service Department (360) 757-7776
