Hokkaido HCNL 821 XMR, Руководство по обслуживанию

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06
FAILURE CODE
S
(CHECK
ON
THE WIRED
REMOTE CONTROLLER)
TROUBLE SHOOTING
(
I
ndoor
U
nit)
Failure code
s (related to Indoor Unit) on the wired remote controller YR-E12
Abnormal communication
between wired controller and
indoor unit PCB
Drainage system abnormal
Pump motor disconnected, or at wrong position
or the float switch has broken down or the float
switch is disconnected or at wrong position.
*
*
*
*
*
*
*
POSSIBLE REASONS
Faulty temperature sensor Tai
01
Sensor disconnected, or broken, or at wrong
position, or short circuit
Faulty temperature sensor Tc1
Sensor disconnected, or broken, or at wrong
position, or short circuit
Faulty temperature sensor Tc2
03
Sensor disconnected, or broken, or at wrong
position, or short circuit
Faulty temperature sensor Tm 04
Sensor disconnected, or broken, or at wrong
position, or short circuit
Faulty EEPROM on indoor
unit PCB
05
Faulty indoor unit PCB
Abnormal communication
between indoor and outdoor unit
Wrong connection, or the wires
are
disconnected, or wrong address setting of
indoor units, or faulty power supply or faulty
PCB
02
Abnormal communication
between chip TMP/807 and chip
TMP/846
0E
Faulty indoor unit PCB
Indoor unit address repeated
09
Wrong setting of indoor unit address
07
Wrong connection, or use the wired controller
when
disconnected, faulty PCB
08
(* shows the failure is resumable)