How to Use The Monitor Switch On The Inverter PC Board SiE-05C
322 Troubleshooting PLUS Series
5. How to Use The Monitor Switch On The Inverter PC Board
5.1 How to Use The Monitor Switch On The Inverter PC Board
The monitor lets you know the contents of the latest stop due to malfunction by LED display on the inverter
PC Board. The inverter is equipped with a retry function that retries operation each time stop due to
malfunction occurs, and malfunction is therefore not ascertained by merely entering the five minutes
standby while retry is attempted the prescribed number of times. If the number of retry times is exceeded
within 60 minutes, malfunction is ascertained, and the corresponding malfunction code is displayed on the
indoor unit remote controller.
9999: Blink
8: On
7: Off
LED A 1 2 3 4 Malfunction Contents Retry Times
9999 7777
Normal
9999 7778
Malfunction of fin thermistor 3
9999 8877
Sensor malfunction 0
9999 8778
Insufficient voltage 3
9999 7787
Instantaneous over-current 3
9999 7888
Electronic thermistor 3
9999 8888
Stall prevention 3
9999 7877
Open phase detection 3
77777
Malfunction of microcomputer Unlimited
SI-05C.BOOK Page 322 Monday, November 6, 2000 4:13 PM
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