WM80 OWNERS MANUAL
Page 8 of 10
Drawing No. :- TPC313
Issue :-
1
Date :-
08/05/07
TROUBLESHOOTING
S
YMPTOM
C
AUSE
R
EMEDY
Unit inoperative
1. No power to unit
1. Check the power from power
supply panel
Little or no airflow
1. Loose fan on shaft
2. Fan motor burnt out
3. Dirty refrigeration coils / filter
4. Loose electrical wiring
5. Fuse blown or circuit breaker
tripped
1. Tighten fan
2. Replace the fan motor
3. See
Routine Maintenance
Section
4. Check the wiring diagram to find
fault and repair
5. Replace the fuse or reset the
circuit
breaker
Little or no water
extraction
1. Insufficient air flow
2. Compressor fault
3. Loss of refrigerant gas
1. Check all of the above
2. Contact the Factory Service
Center
3. Contact the Factory Service
Center
Little or no defrost when
required
1. Faulty timer
2. Faulty by-pass valve
1. Contact the Factory Service
Center
2. Contact the Factory Service
Center
Unit vibrates excessively
1. Loose compressor
2. Damaged fan
1. Tighten the nuts on the
compressor mounts
2. Replace fan
Water flooding inside the
machine
1. Drain pipe blocked/frozen
2. Drain pipe too high
3. Crimped or blocked tubing
1. Clear the obstruction
2. Ensure that no section of the
drain hose is above the level of
the water outlet
3. Straighten, clear, or replace
tubing
Ebac Industrial Products, Inc.
700 Thimble Shoals Blvd, Suite 109
Newport News, VA. 23606-2575
Tel: (757) 873 6800 Fax: (757) 873 3632
Website www.ebacusa.com
