10
Troubleshooting
Troubleshooting | 42
2593630_A_EN_2003_DA_IOM
Condair DA
Troubleshooting of the Condair DA Series Desiccant Dryer must only be performed by qualified and competent
personnel. Electrical repairs must only be performed by a licensed electrician authorized by the customer, or by
Condair service technicians.
Troubleshooting the Condair DA Series Desiccant Dryer may require the user to access the inside of the unit, to
the control cabinets, which may expose the user and equipment to hazards described in
10.1
General Troubleshooting
Most operation warning and fault conditions are caused by improper installation, or by not adhering
to the suggested best practices for installation of the dehumidifier and system components.
Hence,
a full fault diagnosis always requires a thorough examination of the entire system (hose connections, control
systems, etc.).
General guidelines for troubleshooting are described below. For detailed troubleshooting of auxiliary system
components, refer to their respective manuals.
Nothing happens when the On/Off switch is turned On.
No control circuit, or fuse for the controls is faulty.
Check the electrical components, including control and main fuses.
Internal circuit breaker has tripped.
Check the internal circuit breaker in the dehumidifier.
Faulty control signal.
Check the external signal.
Phase fault.
Check main fuses, breaker, and phase sequence.
Rotor is not moving.
Drive belt is damaged, worn, or slipping.
Check the belt and ensure there are no damages, and the belt is not worn. Check the tension of the belt, 15° deflection.
The drive belt may need to be replaced.
Drive motor is faulty.
Replace the gear motor.
Rotor is jammed.
Check the rotor and ensure there are no obstructions at the rim of the rotor and rotor shaft. Ensure that the rotor shaft
is undamaged.
No dry air, or no wet air volume is produced.
Fuse is blown.
Check the main fuses.
Summary of Contents for DA 1400
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