Damper System Error (Alarm) - Daikin VAM 150FAVE Service Manual

Troubleshooting
1.7

Damper System Error (Alarm)

Remote Controller
Error Code
LCD Display
LED Indication
Remote Controller
Error Detection
Measurement of damper motor limit switch ON/OFF time and temperatures detected by outdoor and indoor
Method air thermistor.
Error Generating
Conditions
Possible Causes
Troubleshooting
40
6A
5
Inspection
5
Main Unit
When damper system error (alarm) and indoor (or outdoor) thermistor error are generated at the same
time.
When damper system error (alarm) occurs and values of indoor and outdoor air thermistor meet frost
conditions.
Faulty damper motor or limit switch
Faulty indoor air thermistor
Faulty outdoor air thermistor
Frosting
Broken wire in cable
Faulty contact in connector (including relay connector)
Faulty control PCB assembly
Check error record on
malfunction history
display in service
mode.
Are
"6A" and "64" NO
or "65" recorded?
YES
Are
NO
"64" and "65"
recorded?
YES
NO
Is "64" recorded?
YES
5
Unit No.
5
SiE71-202
Take corrective measures
specified for damper system
error (alarm).
(Remove the cause of problem,
and reset display.)
Take corrective measures
specified for damper system
error (alarm) and indoor and
outdoor air thermistor errors.
Take corrective measures
specified for damper system
error (alarm) and outdoor air
thermistor error.
Take corrective measures
specified for damper system
error (alarm) and indoor and
outdoor air thermistor error.
(HF006)
Troubleshooting