Electra Monoblock 7, Руководство по обслуживанию

Страница: 67 / 187

11-2
TROUBLESHOOTING
Revision Y05-01 Service Manual - MOBILE Series
CONNECT THE AIR CONDITIONER TO
POWER SUPPLY.
DOES THE STANDBY
INDICATOR LIGHT UP?
START THE COOL MODE BY THE
REMOTE CONTROL.
START THE COOL MODE
BY ON UNIT CONTROL.
DOES THE SOPERATING
INDICATOR LIGHT UP?
IS THE CONTROLS SET
PROPERLY?
DOES THE
INDICATORS
LIGHT UP?
IS THERE CORRECT VOLTAGE
BETWEEN THE LINE AND
NEUTRAL TERMINALS ON THE
MAIN P.C.B?
REPLACE MAIN P.C.B OR DISPLAY P.C.B
DOES THE OPERATION
INDICATORS LIGHT UP
WHEN STARTING FROM ON
UNIT PANEL CNTROL.
IS THERE VOLTAGE BETWEEN THE
CONDENSATE PUMP TERMINALS ON
THE MAIN P.C.B?
IF LOW OR NO VOLTAGE, REPAIR POWER
SUPPLY.
REPLACE BATTERIES OR RESET THE
REMOTE CONTROL, OR REPLACE P.C.B.
REPLACE MAIN P.C.B OR DISPLAY P.C.B
SET THE REMOTE CONTROL
DOES THE CONDENSATE
SYSTEM FUNCTION
CORRECTLY?
REPLACE MAIN P.C.B
IS THERE VOLTAGE BETWEEN THE
CONDENSATE PUMP TERMINALS ON
THE MAIN P.C.B?
DOES THE CONDENSATE FLOAT OR
FLOAT SWITCH FUNCTIONS
PROPERLY?
REPAIR OR REPLACE FLOAT OR MICRO
SWITCH
REPAIR WATER TUBING OR REPLACE
PUMP
CHECK ELECTRICAL WIRING OR
REPLACE CAPACITOR OR MOTOR
RESISTOR OR FAN.
DOES THE INDOOR FAN
FUNCTION CORRECTLY?
REPLACE MAIN P.C.B
IS THERE VOLTAGE BETWEEN
INDOOR FAN TERMINALS ON THE
MAIN P.C.B ?
IS THERE VOLTAGE ON THE
TERMINALS ON THE CONDENSATE
PUMP TERMINALS?
IS THERE VOLTAGE BETWEEN THE
TERMINALS ON THE MAIN P.C.B?
CHECK AIR TUBE OR CHECK
ELECTRICAL WIRING OR REPLACE
CAPACITOR.
IF NO VOLTAGE REPLACE MAIN P.C.B - IF
LOW VOLTAGE REPAIR POWER SUPPLY.
REPLACE CAPACITOR OR CVER LOAD
PROTECTOR OR COMPRESOR.
DOES THE FAN FUNCTION
CORRECTLY?
DOES THE OVERFLOW
SWITCH FUNCTION
CORRECTLY?
OVERFLOW LED
BLINKING IF THE
WATER PAN IS FULL
DOES THE COMPRESSOR
START UP (CHECK WITH
AMPMETER)
REPAIR ELECTRICAL WIRING
IS THERE CORRECT VOLTAGE
(AT START) BETWEEN THE
COMPRESSOR TERMINALS ON THE
MAIN P.C.B?
IS THERE CORRECT VOLTAGE
(AT START) ETWEEN COMPRESSOR
TERMINALS ?
DOES THE
REFRIGERATION SYSTEM
FUNCTION CORECTLY?
(CHECK WITH AMPMETER
AND OR PRESSURE
GUAGES OR SURFACE
THERMOMETER
CHECK FOR LEAKS OR TUBING
RESTRICTION, REPAIR REFRIGERATION
SYSTEM AND CHARGE REFRIGERANT IF
NECESSARY.
NORMAL
CHECK AND REPAIR ELECTRICAL WIRING
REPLACE MAIN P.C.B
DRAIN THE CONDENSATE OR REPAIR
FLOAT OR OVERFLOW SWITCH.
No
Yes
No
No
No
Yes
No
Yes
No
No
Yes
Yes
No
No
No
No
No
No
Yes
No
No
No
Yes
Yes
Yes
No
Yes
PORTABLE / MOBILE SPLIT - COOLING TROUBLE SHOOTING CONTROLS AND REFRIGERATION
Yes
Yes
No
NOTE: The standby indicator is not in use for the portable units.