Panasonic 2WAY Multi - Page 72

IV–59
2) When the water heat exchanger unit is connected
1
Wiring
check
1-1
Are there any poor connections, contacts, crimping or
severed wires or pinched wires in the sensor’s connectors or
connector wiring?
Yes Repair Wiring
No 2-1
2
Temperature
sensor
check
2-1
Disconnect the sensor’s connector and measure the
resistance. Is the resistance between the broken wire
detection value and the short-circuit detection value?
Yes
Replace the water heat
exchanger unit’s control
board
No
Replace the temperature
sensor
● See “5. Reference Document” for details on the procedure for replacing the water heat exchanger unit’s
control board.
● For board and Electrical Wiring Diagram, see Chapter 6.
• Outdoor main board: page VI-2
• Outdoor power board: page VI-3
• Converter board: VI-4
• Indoor control board for DC motor models: page VI-5
• Outdoor Unit Electrical Wiring Diagram: page VI-6
GHPtroubleshooting.indbIV‒59GHPtroubleshooting.indbIV‒59 2012/11/2611:20:112012/11/2611:20:11