Daikin VRV Inverter K Series - 5.5 Outdor Unit: Malfunction of Transmission between Inverter and Control PC Board; 5.5 Malfunction of Connection Between The Inverter Unit and Outdoor Unit PC Board

SiE-05C Troubleshooting
Troubleshooting PLUS Series 313
3.17 Outdoor Unit: Malfunction of Oil Temperature Thermistor (R5T)
Remote Controller
Display
JJ
JJ
HH
HH
Supposed Causes  Defect of oil temperature thermistor (R5T)
 Defect of outdoor unit PC board (A1P)
Troubleshooting Troubleshoot the outdoor unit for which the HWL is lit in accordance with the following flow chart.
YES
YES
Connect the thermistor and
and turn on again.
Replace thermistor (R5T).
Replace outdoor unit PC
board.
INV outdoor unit : A1P
Constant speed outdoor unit :
A1P
Is the connector
connected to X15A of the
outdoor PC board ?
Resistance
is normal when
measured with thermistor
(R5T) disconnected from the
outdoor unit PC board.
(3.5kΩ~360kΩ)
NO
NO
(VF151)
Part8.fm Page 313 Wednesday, January 31, 2001 9:08 AM
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