IVT 09LR-N, Руководство по обслуживанию

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12LRN
3 – 16
Indoor unit
operates.
Outdoor unit
does not
operate tem-
porarily. 3-time      Timer (Orange) 3 0 Dry opera-
tion Temporary stop
due to dehumidi-
fying operation (Temporary stop for cycle
protection) -
  Operation (Red)
Plasmacluster
(Blue)
Indoor and
outdoor units
do not oper-
ate. 5-time      Timer (Orange) 5 0 Outdoor unit
thermistor
open-circuit Heat exchanger
thermistor open
circuit error (1) Check connector of
the outdoor unit ther-
mistor for secure
installation.
(1) Correct the instal-
lation.
  Operation (Red)
Plasmacluster
(Blue)
     Timer (Orange) 1 Outdoor temper-
ature thermistor
open circuit error (2) Measure resistance
of outdoor ther-
mistors.
(2) Replace the out-
door unit ther-
mistor assembly.
  Operation (Red)

Plasmacluster
(Blue)
    
Timer (Orange) 2 Suction ther-
mistor open cir-
cuit error (3) Check the lead wires
of thermistors on the
outdoor unit control
PCB for open-circuit.
(3) Replace the out-
door unit ther-
mistor assembly.
  Operation (Red)

Plasmacluster
(Blue)
     Timer (Orange) 3 2-way valve ther-
mistor open cir-
cuit error. (4) (1) (2) (3):Normal (4) Replace the out-
door unit control
PCB assembly.
 
Operation (Red)
 
Plasmacluster
(Blue)
     Timer (Orange) 4 Discharge ther-
mistor open cir-
cuit error
  Operation (Red)

Plasmacluster
(Blue)
     Timer (Orange) 5 Heat sink ther-
mistor open cir-
cuit error
  Operation (Red)
 
Plasmacluster
(Blue)
Indoor and
outdoor units
do not oper-
ate. 6-time      Timer (Orange) 6 0 Outdoor unit
DC Current DC over current
error Go to “DC Over Current Error (6-0 error)”.
  Operation (Red)
Plasmacluster
(Blue)
     Timer (Orange) 1 IPM pin level
error (1) Check the IPM is
attached correctly to
the outdoor unit IPM
PWB.
(1) Replace the out-
door unit IPM PWB
assembly.
  Operation (Red)

Plasmacluster
(Blue)
Indoor and
outdoor units
do not oper-
ate. 7-time
    
Timer (Orange) 7 0 Outdoor unit
AC Current AC over current
error (1) Ensure unob-
structed air flow from
the outdoor unit air
outlet.
(1) Ensure unob-
structed air flow
from the outdoor
unit air outlet.
   Operation (Red)
Plasmacluster
(Blue)
(2) Check the outdoor
unit fan motor.
(2) Check the outdoor
unit fan motor.
     Timer (Orange) 1 AC current error
when OFF (1) IPM continuity check (1) Replace the out-
door IPM PWB
   Operation (Red)

Plasmacluster
(Blue)
     Timer (Orange) 2 AC maximum
current error (1) Ensure unob-
structed air flow from
the outdoor unit air
outlet.
(1) Ensure unob-
structed air flow
from the outdoor
unit air outlet.
   Operation (Red)

Plasmacluster
(Blue)
(2) Check the outdoor
unit fan motor.
(2) Check the outdoor
unit fan motor.
     Timer (Orange) 3 AC current defi-
ciency error (1) Replace the outdoor
unit control PCB
assembly.
(1) Replace the out-
door unit control
PCB assembly.
   Operation (Red)
 
Plasmacluster
(Blue) (2) Charge the speci-
fied amount of refrig-
erant.
(2) Charge the speci-
fied amount of
refrigerant.
(3) Correct refrigerant
clogs. (Stop valve,
pipe, expansion
valve)
(3) Correct refrigerant
clogs. (Stop valve,
pipe, expansion
valve)
Problem
symptom
Outdoor
unit indi-
cation
(LED1)
Indoor unit Malfunc-
tion No.
Content of diagnosis Check point Action
Lamp Main Sub Main Sub