Error code
Mitsubishi Electric CMB code 1112
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Meaning
Liquid level detecting temperature sensor trouble abnormality (TH4) temperature saturation pressure: sensor (TH2) or liquid level detecting temperature sensors (TH3, TH4) detects -40˚C or less (the first time) during operations, heat source unit stops once, mode is changed to restart mode after 3 minutes, then the heat source unit restarts. 2. When -40˚C or less temp. is detected again (the second time) within 30 minutes after stop of heat source unit, error stop is observed with code Nos. “1111,” “1112,” or “1113” displayed. 3. When -40˚C or less temperature is detected 30 or more minutes afte
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View details as a memberPossible causes
(2) Insufficient load operations. (3) Poor operations of indoor LEV. (4) Poor operations of BC controller LEV: Cooling-only : LEV3 Cooling-main : LEV1, 3 Heating-only, Heating-main: LEV3 (5) Poor operations of BC controller SVM: Cooling-only, Defrost (6) Poor operations of BC controller SVM: Cooling-only, Cooling-main (7) Poor operations of BC controller SVB: Heating-only, Heating-main (8) Solenoid valve trouble (SV3 ~ 6, SV73). Heating-only, Heating-main (9) Setting error of connection address. 10)Poor operations of ball valve.
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