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MCAC-KTSM-2009-03
Troubleshooting
Heat Recovery Ventilation
19
14. Troubleshooting
14.1 Lamp flashes:
No.
Operation lamp
Timer lamp
Defrosting lamp
Alarm lamp
Explanation
1
★
○
○
○
T4 sensor error
2
★
★
○
○
T1 sensor error
3
★
○
★
Current
protection
4
★
○
○
★
Phase absent, phase error
Note:
●:
Light,
○:
Extinguish,
☆:
Slow flash,
★:
Quick flash
T1 temp. sensor
: site at the return air cavity.
T4 temp. sensor
: site at the outdoor air inlet cavity.