Daikin Altherma 3 M - Page 258

3 | Components
Service manual
258
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Does the measured resistance of the
thermistor match with the
temperature determined resistance?
Then
No Replace the specific thermistor, see
"Repair procedures"[4258].
For thermistors connected to an intermediate connector
Does the measured resistance of the
thermistor match with the
temperature determined resistance?
Action
Yes Thermistor is OK. Return to the
troubleshooting of the specific error
and continue with the next procedure.
No Continue with the next step.
7 Disconnect the thermistor from the intermediate connector and measure the
resistance of the thermistor (between the appropriate pins of the connector).
Does the measured resistance of the
thermistor match with the
temperature determined resistance?
Action
Yes Correct the wiring between the
thermistor connector on the PCB and
the intermediate connector, see
"6.2Wiring diagram"[4314].
No Replace the specific thermistor, see
"Repair procedures"[4258].
Repair procedures
To remove the thermistor
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "3.17Plate work"[4230].
1 Locate the thermistor that needs to be removed.
2 Cut the tie straps that fix the insulation and the thermistor wire.
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