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8585
Faulty or poor
• Replace resistor block if defective
connection at resistor
Faulty fan switch
• Replace switch
2.
Motor operates but air flow
Obstruction at evaporator inlet
• Clean evaporator
is minimum
Air leak
• Correctly seal
Faulty thermostat
• Adjust or replace thermostat
3.
Insufficient cooling, Air flow
Incorrect refrigerant quantity or
• Get the defect rectified at
normal and compressor
defect in system aggregates
nearest authorised service
operating
centre
WIPERS
1.
Narrow streaks are left on the
Foreign matter has
• Clean the edgeof the blade. If
wind shield making it hard to see attached to the blade or
streaks still appear, replace the
blade edge of the blade is worn out.
2.
The wiper blade jumps across
No proper contact of wiper blade
• Clean the wind shield. If jumping
the windshield and makes a lot
with wind shield glass and wiper
persists replace the blade.
of noise (Un-smooth operation)
blade does not move smoothly
across the surface but vibrates,
noisily and bounces.
3.
The wipe leaves large un-wiped
Rubber deformed
• Replace the blade
spots.
4.
The blade does not contact with
Deformed wiper blade
• Replace wiper blade / arm
the wind shield surface evenly,
/ arm
leaving a large un-wiped surface.
SR. NO.
SR. NO.
SR. NO.
SR. NO.
SR. NO.
PROBLEM OBSERVED
PROBLEM OBSERVED
PROBLEM OBSERVED
PROBLEM OBSERVED
PROBLEM OBSERVED
CAUSE
CAUSE
CAUSE
CAUSE
CAUSE
A
A
A
A
ACTION
CTION
CTION
CTION
CTION TTTTTO BE
O BE
O BE
O BE
O BE TTTTTAKEN
AKEN
AKEN
AKEN
AKEN
WIPERS
Preliminary Trouble shooting
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