Outdoor Unit: Malfunction Of Thermistor For Outdoor Air (R1T) - Daikin VRV K Manual

SI-95.BOOK Page 95 Friday, March 31, 2000 10:59 AM
Si-95

2.19 Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1T)

H H H H 9 9 9 9
Remote Controller
Display
I Defect of thermistor (R1T) for outdoor unit outdoor air intake
Supposed Causes
I Defect of outdoor unit PC board (A1P)
Troubleshooting
The alarm indicator is displayed when the fan is being used also.
Troubleshooting Inverter K Series
Connector is
NO
connected to X20A of outdoor
PC board (A1P).
YES
Resistance
is normal when
measured after
NO
disconnecting the thermistor
(R1T) from the outdoor
unit PC board.
(3.5kΩ~
360kΩ)
YES
Troubleshooting
Connect the thermistor and turn on
again.
Replace the thermistor (R1T)
Replace outdoor unit PC board A1P.
(VF045)
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