COPYRIGHT © 1999,2000 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 duc twork 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
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