GE - General Electric AZ90E18D3C User Manual

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49-7769 

TROUBLESHOOTING TIPS

Error Codes

Electronic Control Error Code Diagnostics and Test Mode

Error Code Diagnostics

7KH6398HOHFWURQLFFRQWUROFRQWLQXRXVO\PRQLWRUVWKHXQLWRSHUDWLRQDQGZLOOVWRUHHUURUFRGHVLIFHUWDLQ

FRQGLWLRQVDUHZLWQHVVHG,QVRPHFDVHVWKHXQLWPD\WDNHDFWLRQDQGVKXWWKHXQLWRIIXQWLOFRQGLWLRQVDUH

corrected.

7RDFFHVVWKHHUURUFRGHPHQXSUHVVWKH³(17(5´EXWWRQ,IHUURUFRGHVDUHSUHVHQWWKH\ZLOOEHGLVSOD\HG,I

PXOWLSOHFRGHVH[LVW\RXFDQWRJJOHEHWZHHQHUURUFRGHVXVLQJWKH³6&52//´EXWWRQ7RFOHDUDOOFRGHVSUHVV

WKH³(17(5´DQG³6&52//´EXWWRQVIRUWKUHHVHFRQGVZKLOHLQWKHHUURUFRGHPRGH

Error Codes and Alarm Status

Unit Control Panel

7KHGLVSOD\VKRZQEHORZKDVIRXUGLJLWV7KHOHIWWZR

GLJLWVLQGLFDWHWKHHUURUFRGHWRWKH2Q2IILFRQV

above these two digits indicate the current state of

WKHHUURUFRGH7KHULJKWWZRGLJLWVVKRZWKHKLVWRU\

FRXQWXSWRRIWKHDVVRFLDWHGHUURUFRGH7KH

display contains a maintenance icon (wrench) that will

illuminate to indicate when the unit needs maintenance.

Check Error Codes:

3UHVVWKH(17(5NH\WRDFWLYDWHWKHGLVSOD\

(DFKSUHVVRIWKHVFUROONH\GLVSOD\WKHQH[WHUURUFRGH

Clear History Counters:

3UHVVDQGKROGWKH(17(5NH\DQG6&52//.(<IRUDERXWVHFRQGV

Error

Code

Problem Action

 )URQWSDQHOEXWWRQVWXFNIRUPRUHWKDQVHFRQGV &RQWLQXHWRPRQLWRUIRU³23(1´XQVWXFNVZLWFK'RQRWSURFHVVVZLWFKLQSXW

2 ,QSXWYROWDJHRXWRIVSHFL¿FDWLRQ Unit stops, open all relays until voltage is back within specs then resumes operation

3 ,QGRRUWHPSHUDWXUHVHQVRULVRSHQRUVKRUWHG

Unit defaults to 75°)LQ&22/,1*RU°)LQ+($7,1*DQGZLOOFRQWLQXHWRRSHUDWH

 ,QGRRUFRLOWHPSHUDWXUHVHQVRULVRSHQRUVKRUWHG

7KHXQLW¶VFRQWUROERDUGGHIDXOWV°),WZLOORYHUULGHWKHVHQVRUDQGWKHXQLWZLOOFRQ-

tinue to operate.

5 Outdoor coil temperature sensor is open or shorted

7KHXQLWGHIDXOWVWR°)RYHUULGLQJWKHVHQVRU7KHXQLWZLOOFRQWLQXHWRRSHUDWH8V-

LQJ(OHFWULFKHDWLIDYDLODEOHIRU+($7,1*,IQRWDYDLODEOHLWZLOOXVH+($73803LIWKH

outdoor temperature allows.

2XWGRRUFRLO!JUHDWHUWKDQ° F

7KHXQLWZLOOVKXWGRZQIRUPLQXWHVUHVXPHRSHUDWLRQIRUPLQXWHV,IWHVWIDLOV

times, the severity is increased and the unit operation is locked out.

,QGRRUFRLOOHVVWKDQ° F for 2 consecutive

minutes

7KHFRPSUHVVRUZLOOWXUQRIIDQGWKH+LJK)DQVSHHGZLOOUXQ:KHQFRLOWHPSUHDFKHV

° F the unit will resume operation after lockout time.

8 8QLWF\FOHV!JUHDWHUWKDQWLPHVSHUKRXU 7KHXQLWZLOOFRQWLQXHWRRSHUDWHDQGEHPRQLWRUHG

 8QLWF\FOHVOHVVWKDQWLPHVSHUKRXU 7KHXQLWZLOOFRQWLQXHWRRSHUDWHDQGEHPRQLWRUHG

 Room freeze protection Only use if Electric Heat is available. Run High Speed and Electric Heat until room

WHPSHUDWXUHUHDFKHV°)7KHXQLWZLOOGLVSOD\³)5=´GXULQJRSHUDWLRQ/RJJHGRQO\

 Wall stat problem or connection issue 7KHXQLWZLOOQRWRSHUDWH

 Not applicable Not applicable

 High pressure limit switch is open ,IXVLQJLVFRROLQJRUKHDWSXPSLVRQVKXWGRZQFRPSUHVVRU5XQKLJKIDQXQWLOVZLWFK

FORVHVWKHQUHVXPHRSHUDWLRQ7KHWKLUGRFFXUUHQFHLQKRXUORFNVXQLWRXW$SSOLFDEOH

WR.XQLWRQO\

 Not applicable Not applicable

 Heat pump error ,ILQGRRUFRLOWHPSHUDWXUHLVOHVVWKDQDPELHQWWHPSHUDWXUHIRUPLQXWHVWKHXQLWZLOOXVH

electric heat to satisfy the heating demand.

 7HPSHUDWXUHEH\RQGRSHUDWLQJOLPLWV

2FFXUVLIWKHDPELHQWWHPSHUDWXUHUDQJHIDOOVEHORZ°)RUJUHDWHUWKDQ°)7KH

error code will remain on until the temperature reaches the operating range and then the

unit will return to normal operation.

 (TXLSPHQWGRHVQ¶WPHHWPLQLPXPFRQ¿JXUDWLRQ 7KHFRPSUHVVRUPXVWEHHQDEOHGDQGKDYHDWOHDVWIDQVSHHGV

 Not applicable Not applicable

 Not applicable Not applicable

 Not applicable Not applicable

 Not applicable Not applicable

2XWGRRUFRLOWHPSHUDWXUH°F for 2 consecutive

minutes

Unit will use electric heat to satisfy heating demands until the temperature equals or

H[FHHGV°F. Applicable for the Heat Pump models only.

23 Not applicable Not applicable

 Not applicable Not applicable

ENTER SCROLL

OFF ON

On/Off

Error State

Enter

Button

Error

Code

History

Counter

Maintenance

Required

,QGLFDWRU

Scroll

Button

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GE - General Electric AZ90E18D3C GE Zoneline Cooling and Electric Heat Single Package Vertical Air Conditioner 20 Amp 230/208 Volt

User Manual - Page 21