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Gas leakage,
disconnection of TS/TC
sensors (Check code 02, 1C)
Discharge temp. error,
gas leakage
(Check code 03, 1E)
1C 1E
Gas amount check and valve clogging check
Remove TC sensor connector from the P.C. board in indoor unit.
(Remove connector from the P.C. board.)
Operate the air conditioner in COOL mode by RESET button on indoor unit
(“Beep” sound is heard if keeping pushed RESET button for 10 seconds.).
The operation enters temporary operation mode which fixes opening degree of compressor speed.
Check condensation at outlet of PMV, and then check operating pressure from the service port.
Valve drive check
Check the operating pressure from service port, and add gas if pressure is low.
Is connecter of coil connected to inverter?
Is coil of the pulse motor valve
(P.M.V.) correctly set?
Existence of condensation at outlet of P.M.V.
If there is condensation at outlet (1/4 inch=Ø6.35mm valve side),
the valve is clogged.
Are temp. sensors of indoor/outdoor units correctly set to the holder?
NOTE :
The temperature sensors which are used to control pulse motor valve
include indoor heat exchanger sensor (TC), outdoor heat exchanger temp.
sensor (TE), outdoor suction temp. sensor (TS) and outdoor sensor (TO).
Set it correctly.
Set it correctly.
Set it correctly.
Replace coil valve.
Replace valve.
Add gas.
Disconnect PMV connector then check coil resistance.
Is it 46±4
Ω
/Phase
(white-Red, Red-Orange, Yellow-Red, Blue-Red)?
11-6. Check Code 1C (Miswiring in indoor/outdoor units) and 1E
<Check procedure>
FILE NO. SVM-10019