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TROUBLESHOOTING
(2) Self-Checking Procedures in Check Mode
* for RPC (Before Alteration), RPF(I) and RPC (8, 10HP)
* for RPK
State of Mode Confirmation Method
(A) Initialize Exp. Valve Exp. Valve fully open => fully close
and Auto Louver Auto Louver is horizontally stopped.
(B) Analog Test If each thermistor for intake air, discharge air and If FAN operation is
freeze protection is normal, proceed to the next step. available, it is normal.
(C) Each Relay Test Check ON/OFF sound
of relays and LED
lamp.
Repeatedly
Perform
Termination Turn OFF and reset all dip switches as they were.
Check Item
State of Mode Confirmation Method
(A) Initialize Exp. Valve Exp. Valve fully open => fully close
and Auto Louver Auto Louver is horizontally stopped.
(B) Analog Test If each thermistor for intake air, discharge air and
freeze protection is normal, proceed to the next step.
(C) Each Relay Test Check ON/OFF sound
of relays.
Repeatedly
Perform
Termination Turn OFF and reset all dip switches as they were.
Check Item
52H1, 2, 3
Fan (Low)
Wireless Receiver
Part (Red)
Wireless Receiver
Part (Green)
Wireless Receiver
Part (Yellow)
YFAN
YH2
Y52H1, 2, 3
FAN
(CN21)
RUN (CN6)
ALARM (CN7)
COOL (CN5-3#)
COOL Thermo-ON
(CN5-2#)
HEAT (CN8-2#)
HEAT Thermo-ON
(CN8-3#)
Hi Me
1 23456 7
(sec)
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