Daikin FTXM-V Series, Руководство по обслуживанию

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SiUS042113E Troubleshooting
Part 6 Service Diagnosis 107
Note
Reference
Reference
Troubleshooting
OL (Q1M) activating temperature: 120 ~ 130°C (248 ~ 266°F)
OL (Q1M) recovery temperature: 105°C (221°F)
Check No.01 Refer to P.134
Check No.12 Refer to P.136
(R25224)
Caution
YES
NG
NO
OK
OK
NG
NG
OK
YES
NO
NG
OK
∗
Refrigerant shortage
∗
Water mixed
∗
Stop valve
Disconnect the connector S40
from the PCB.
Disconnect the 2 terminals of
the OL (Q1M).
Resistance
∞
Resistance
∞
Nearly 0
Ω
Nearly 0
Ω
Insert the thermistor in
position.
Replace the discharge pipe
thermistor.
Replace the electronic
expansion valve or the coil.
Refer to the refrigerant line
check proced
u re.
Replace the o u tdoor u nit
PCB (main PCB).
Replace the fo u r way valve
or the coil.
Replace the o
u tdoor u nit
PCB (main PCB).
Discharge
pipe thermistor
disconnected?
Check No. 01
Check the discharge pipe
thermistor.
Check No. 13
Check the fo u r way
valve.
Check No. 14
Check the refrigerant
line.
Check No. 12
Check the electronic
expansion valve.
Replace the OL (Q1M).
Replace the OL harness.
Connect the connector S40
properly.
Is the connector
S40 properly connected?
Check
the resistance
between the 2 terminals on
connector S40.
Check the
resistance between the 2
terminals of the OL
(Q1M).
Be s u re to t u rn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.