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Detailed instructions for use are in the User's Guide.
[. . . ] WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PARTS RATING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . REFRIGERATING CYCLE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONTROL OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] . C.
Check code Main remote controller P01 Outdoor 7-segment display Check code -- Auxiliary code -- Indoor Indoor fan motor error Corresponding unit only stops. All stop · Check the lock of fan motor (AC fan). Discharge temp (TD1) exceeded 115°C. · · · · · · · · · · · Check full opening of outdoor service valves (Gas side, Liquid side). (PMV1, 2) Check characteristics of TD1 sensor resistance value. (Miswiring and misinstallation of SV41 and SV42) Check leakage of SV5 circuit. (Capillary clogging, valve operation error) Check mispiping of discharge gas/suction gas main pipe. Check leakage of SVD valve and SVS valve. (Check leakage of SVDD valve and SVSS. ) Check mispiping of FS unit connecting pipe (Suction gas/Discharge gas), wiring between FS unit and indoor unit, and connection of connectors. Detected position Check code name Status Error detection condition Check item (position)
P03
P03
--
I/F
Discharge temp TD1 error
P04
P04
01: Compressor 1 side 02: Compressor 2 side
I/F
Actuation of high-pressure SW
All stop
High-pressure SW actuated.
Check Pd pressure sensor error. Check full opening of outdoor service valves (Gas side, Liquid side). Check full open of outdoor service valves (gas side, liquid side). Check characteristics of TS1 sensor resistance value. Check mispiping of discharge gas/suction gas main pipe. Check leakage of SVD valve and SVS valve. (Check leakage of SVDD valve and SVSS. ) Check mispiping of FS unit connecting pipe (Suction gas/Discharge gas), wiring between FS unit and indoor unit, and connection of connectors. Check characteristics of TD1, TD2 sensor resistance value. Check SV4 circuit (Valve leakage, misinstallation) Check mispiping of discharge gas/suction gas main pipe. Check leakage of SVD valve and SVS valve. (Check leakage of SVDD valve and SVSS. ) Check mispiping of FS unit connecting pipe (Suction gas/Discharge gas), wiring between FS unit and indoor unit, and connection of connectors. Check miswiring of SVS/SVD valves.
P10
P10
Indoor address with trouble
Indoor
Indoor overflow error
All stop
· Float switch operated. · Float switch circuit disconnected or the connector came off.
P12
--
--
Indoor
Indoor fan motor error
Corresponding · The value of motor speed deviated from unit only stops. [. . . ] Using temperature setup / buttons, set to the item code (DN). (Lighting time setup for filter sign) 6. Compare the contents of the setup data which is displayed in this time with contents noted in a memo in Procedure 1 and customer's information. 1) If data is incorrect, change it using the timer time / buttons so that it matches with contents noted in SET a memo, and then push button. [. . . ]
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