SiUS12-928_A
Troubleshooting
Service Diagnosis
134
Troubleshooting
Check No.06
Refer to P.152
H9
: Outdoor temperature thermistor
J3
: Discharge pipe thermistor
J6
: Outdoor heat exchanger thermistor
J8
: Liquid pipe thermistor
J9
: Gas pipe thermistor
P4
: Radiation fin thermistor
Note:
For 3MXS24JVJU
The short thermistors which locate near the connectors [S92] and [S93] each are indispensable for
control. When you check the liquid pipe thermistors or the gas pipe thermistors, check the short
thermistor also.
(R7176)
Caution
NO
YES
YES
NO
NO
YES
Turn on the power again.
Normal?
Reconnect the connectors
or thermistors.
J3
error: the discharge
pipe temperature is
lower than the heat
exchanger
Replace defective one(s) of
the following thermistors.
Radiation fin thermistor
Discharge pipe thermistor
Outdoor heat exchanger
thermistor
Liquid pipe thermistor
Gas pipe thermistor
Outdoor temperature
thermistor
Indoor heat exchanger
thermistor
Cooling: Outdoor heat
exchanger
thermistor
Heating: Indoor heat
exchanger
thermistor
Replace the following
thermistor.
Replace the outdoor unit
PCB.
(Replace the indoor unit
PCB.)
Error displayed
again on remote
controller?
Indoor heat
exchanger thermistor
functioning?
Check No. 06
Check the thermistor resistance
value.
Check No. 06
Check the indoor heat exchanger
thermistor resistance value in the
heating mode.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
[S92], [S93]
Short thermistor
(R11408)
Summary of Contents for SUPER MULTI NX G Series
Page 1: ...SiUS12 928_A Applied Models Inverter Multi Heat Pump G Series J Series...
Page 7: ...SiUS12 928_A Table of Contents vi...
Page 10: ...SiUS12 928_A 1 List of Functions Part 1 List of Functions 1 Functions 3...
Page 11: ...SiUS12 928_A List of Functions 2...
Page 17: ...SiUS12 928_A Specifications 8...
Page 23: ...SiUS12 928_A Specifications Specifications 14...
Page 25: ...SiUS12 928_A Printed Circuit Board Connector Wiring Diagram 16...
Page 37: ...SiUS12 928_A Function and Control 28...
Page 69: ...SiUS12 928_A Control Specification Function and Control 60...
Page 71: ...SiUS12 928_A Operation Manual 62...
Page 73: ...SiUS12 928_A Duct Free System Operation Manual 64 2 Duct Free System 2 1 Remote Controller...
Page 84: ...Duct Free System SiUS12 928_A 75 Operation Manual...
Page 85: ...SiUS12 928_A Duct Free System Operation Manual 76 2 8 TIMER Operation...
Page 86: ...Duct Free System SiUS12 928_A 77 Operation Manual...
Page 87: ...SiUS12 928_A Duct Free System Operation Manual 78 2 9 Note for Multi System...
Page 88: ...Duct Free System SiUS12 928_A 79 Operation Manual...
Page 97: ...SiUS12 928_A Slim Duct Built In System Operation Manual 88...
Page 99: ...SiUS12 928_A Service Diagnosis 90...
Page 169: ...SiUS12 928_A Removal Procedure 160...
Page 225: ...SiUS12 928_A Trial Operation and Field Settings 216...
Page 235: ...SiUS12 928_A Appendix 226...