Si-93
Troubleshooting
Troubleshooting
37
1.7
Damper System Error (Alarm)
Remote Controller
LCD Display
Error Code
666
6AAA
A
Inspection
5
Unit No.
5
LED Indication
Remote Controller
5
Main Unit
5
Error Detection
Method
Measurement of damper motor limit switch ON/OFF time and temperatures detected by outdoor and indoor
air thermistor.
Error Generating
Conditions
■
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.
Possible Causes
■
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
Troubleshooting
Check error record on
malfunction history
display in service
mode.
Is "64" recorded?
YES
YES
YES
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.
Are
"6A" and "64"
or "65" recorded?
NO
(HF006)
NO
Are
"64" and "65"
recorded?
NO
Содержание VAM 500EJ
Страница 1: ...Heat Recovery Ventilation Applied Models VAM 500EJ VAM 800EJ VAM1000EJ VAM2000EJ SiE 93 Service Manual...
Страница 5: ...Si 93 iv Table of Contents...
Страница 7: ...Introduction Si 93 vi 1 1 1 Cautions in Repair Warning...
Страница 8: ...Si 93 Introduction vii...
Страница 10: ...Si 93 General Constructions 1 Part 1 General Constructions 1 General Constructions 3 1 1 Explanation 3...
Страница 11: ...Si 93 2 General Constructions...
Страница 15: ...Si 93 6 Operation...
Страница 21: ...Si 93 12 Maintenance...
Страница 27: ...Si 93 18 Control Functions...
Страница 35: ...Si 93 26 Circuit Operations...
Страница 39: ...Si 93 30 Troubleshooting...
Страница 59: ...Troubleshooting Si 93 50 Troubleshooting...
Страница 61: ...Si 93 52 Supplementary Explanation...
Страница 72: ...Si 93 Appendix 63 Part 8 Appendix 1 Appendix 65 1 1 Wiring Diagram 65...
Страница 73: ...Si 93 64 Appendix...
Страница 74: ...Si 93 Appendix Appendix 65 1 Appendix 1 1 Wiring Diagram VAM500EJVE VAM800EJVE VAM1000EJVE...
Страница 75: ...Appendix Si 93 66 Appendix VAM2000EJVE...
Страница 79: ...Si 93 iv Index...
Страница 81: ...Si 93 vi Drawings Flow Charts When no indication is displayed on remote controller 45 Wiring Diagram 65...