Error Code: H7 - Abnormal Outdoor Fan Motor Signal - Daikin MicroTech III DPS Installation And Maintenance Manual

ERROR CODE: H7 – Abnormal Outdoor Fan Motor Signal
H7
Remote
Controller
Display
Method of
Detection of abnormal signal from fan motor .
Malfunction
Detection
Malfunction
In case of detection of abnormal signal at starting fan motor .
Decision
Condition
● Abnormal fan motor signal (circuit malfunction)
Supposed
● Broken, short or disconnection connector of fan motor connection cable
Causes
● Fan Inverter PC board malfunction (A2P)
● Check 1 and Check 2 on
Perform
OM 1263 • MICROTECH UNIT CONTROLLER
page 74
80
Troubleshooting
www .DaikinApplied .com