Troubleshooting - Electra Monoblock 7 Service Manual

11.

TROUBLESHOOTING

CONNECT THE AIR CONDITIONER TO
POWER SUPPLY.
DOES THE STANDBY
INDICATOR LIGHT UP?
START THE UNIT BY THE REMOTE
CONTROL.
DOES THE SOPERATING
INDICATOR LIGHT UP?
Yes
IS THE CONTROLS SET
PROPERLY?
DOES THE CONDENSATE
SYSTEM FUNCTION
CORRECTLY?
Yes
DOES THE INDOOR FAN
FUNCTION CORRECTLY?
Yes
DOES THE OUTDOOR FAN
OR OUTDOOR
CONDENSATE PUMP
FUNCTION CORRECTLY?
Yes
DOES THE COMPRESSOR
No
START UP (CHECK WITH
AMPMETER)
Yes
DOES THE
REFRIGERATION SYSTEM
FUNCTION CORECTLY FOR
COOOLING AND HEATING
*?(CHECK WITH
AMPMETER AND OR
PRESSURE GUAGES OR
SURFACE THERMOMETER
Yes
NORMAL
* FOR HEAT PUMP MODELS
NOTE: The Standby indicator is not in use for the portable units.
Service Manual - MOBILE Series
MOBILE SPLIT - TROUBLE SHOOTING CONTROLS AND REFRIGERATION
VOLTAGE BETWEEN THE
No
TERMINALS ON THE MAIN
START THE UNIT BY THE
ON UNIT CONTROL.
No
WHEN STARTING FROM ON
DOES THE
SOPERATING
INDICATOR LIGHT
UP?
IS THERE VOLTAGE BETWEEN THE IS THERE VOLTAGE BETWEEN THE
CONDENSATE PUMP TERMINALS ON CONDENSATE PUMP TERMINALS ON
THE MAIN P.C.B? THE MAIN P.C.B?
No
DOES THE CONDENSATE FLOAT OR
FLOAT SWITCH FUNCTIONS
IS THERE VOLTAGE ON THE TPUMP
IS THERE VOLTAGE BETWEEN THE
No
TERMINALS ON THE MAIN P.C.B?
IS THERE VOLTAGE BETWEEN
No
INDOOR FAN TERMINALS ON THE
IS THERE VOLTAGE ON THE
TERMINALS BLOCK OF THE
OUTDOOR SECTION?
DOES THE OVER
FLOW SWITCH
No
FUNCTION
CORRECTLY?
No
IS THERE CORRECT VOLTAGE
(AT START) BETWEEN THE
COMPRESSOR TERMINALS ON THE
No
IS THERE CORRECT VOLTAGE
(AT START) ETWEEN COMPRESSOR
Revision Y05-01
CONTENTS
IS THERE CORRECT
LINE AND NEUTRAL Yes REPLACE MAIN P.C.B OR DISPLAY P.C.B
P.C.B?
No
IF LOW OR NO VOLTAGE, REPAIR POWER
DOES THE OPERATION
INDICATORS LIGHT UP
REMOTE CONTROL, OR REPLACE P.C.B.
UNIT PANEL CNTROL.
No
REPLACE MAIN P.C.B OR DISPLAY P.C.B
No
Yes
No
PROPERLY?
Yes
Yes
TERMINALS ?
No
CHECK AND REPAIR ELECTRICAL WIRING
Yes
No
No
MAIN P.C.B?
Yes
REPLACE CAPACITOR OR OUTDOOR FAN
Yes
No
CHECK AND REPAIR ELECTRICAL WIRING
IF NO VOLTAGE REPLACE MAIN P.C.B - IF
No
LOW VOLTAGE REPAIR POWER SUPPLY.
MAIN P.C.B?
Yes
Yes
TERMINALS ?
No
CHECK FOR LEAKS OR TUBING RESTRICTION,
REPAIR REFRIGERATION SYSTEM AND
CHARGE REFRIGERANT IF NECESSARY.
CHECK IF 4-WAY REVERSING VALVE GETS
POWER (FOR HEATING) OR IS DISCONNECTED
(FOR COOLING), IF VALVE DOES NOT
FUNCTION REPAIR WITH ASSOCIATED
TROUBLESHOOTING
SUPPLY.
REPLACE BATTERIES OR RESET THE
SET THE REMOTE CONTROL
REPLACE MAIN P.C.B
REPAIR OR REPLACE FLOAT OR MICRO
SWITCH
REPAIR WATER TUBING OR REPLACE
PUMP
CHECK ELECTRICAL WIRING OR
REPLACE CAPACITOR OR MOTOR
RESISTOR OR FAN.
REPLACE MAIN P.C.B
REPLACE MAIN P.C.B
OR PUMP
DRAIN THE CONDENSATE OR REPAIR
FLOAT OR OVERFLOW SWITCH.
REPLACE CAPACITOR OR OVER LOAD
PROTECTOR OR COMPRESOR.
REPAIR ELECTRICAL WIRING
TUBING.
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