Read Panasonic NR-AF162SNAE / NR-AF162SNWG Service Manual online
XII. METHOD TO REPAIRING REFRIGERATING UNIT
CONDITION I. NOT COLD
Compressor not run
CONDITION II. COLD LESS
CONDITION III. VERY COLD
Both terminal direct
joining
joining
Compressor run
Compressor not run
Compressor run
Check with Ohm
Meter ( Tester )
Meter ( Tester )
Change Thermostat
OLP broken
Check with M.Tester
Change O L P
Starting PTC broken
Check with M.Tester
Change Starting PTC
Motor winding burn
Check with M.Tester
Change Compressor
Compressor noise
but not run
but not run
Power source broken
(Start Voltage not
enough )
(Start Voltage not
enough )
Starting P.T.C.
broken
broken
Motor winding
disconnect
disconnect
Starting Motor burn
Check Starting
P.T.C. Voltage under
load
Check with
M.Tester
P.T.C. Voltage under
load
Check with
M.Tester
Check with M.Tester
Repair Power Source
Change PTC Starting
Change Compressor
Change Compressor
Cooling Unit brooken
Gas leakage
Be found gas residu
Repair gas leakage
and re-charge
and re-charge
Gas nothing
Spray with gas
Compressor run but
not compress
not compress
Short time
Operation fault
Thermostat broken
Change Thermostat
Compressor running
Long time
Out side Evaporator
Evaporator closed by
frost to more
frost to more
Evaporator not close
by frost
by frost
Very Cold
Touch Defrost button
Cooling Unit broken
Repair at cooling unit
portion
portion
Joint pipe leakage
and clogged
and clogged
The door have more
gap
gap
Open the door very
long time
long time
Cold Less
Check Cooling Unit
Repair at cooling unit
portion
portion
Adjust the door
Give the direction to
customer
customer
Censor cappilary
Thermostat have
more gap
Thermostat have
more gap
Thermostat broken
Thermostat not have
voltage
voltage
Assembly censor
cappilary Thermostat
cappilary Thermostat
Check with M.Tester
Setting end of Censor
at center hole
at center hole
Change Thermostat
Repair Thermostat
wiring
wiring
Check with M.Tester
CHECK
CAUSE
SUSPECT
ANALYSIS
ACTION
-10-
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