MCAC-UTSM-12
47
11.2 E2 malfunction
Replace it.
LED indicate E2
Fault of indoor temperature sensor T2
Judge 1: Whether the indoor temperature
sensor T2 is break off.
Yes
Connects it well.
No
Judge 2: Whether the indoor temperature
sensor T2 is malfunction.
Validate: Check whether the resistance of
the
temperature
sensor
is
correct
according to Annex 1.
No
Yes
Judge 3: PCB is malfunction
Replace indoor PCB
Summary of Contents for MDFA-76CRN2
Page 7: ...MCAC UTSM 12 8 3 Dimensions 3 1 MDTA 76C H RN2 MDTA 96C H RN2...
Page 8: ...MCAC UTSM 12 9 3 2 MDTA 120C H RN2...
Page 11: ...MCAC UTSM 12 12 6 Wiring Diagrams 6 1 MDTA 76CRN2 MDTA 96CRN2...
Page 12: ...MCAC UTSM 12 13 6 2 MDTA 76HRN2 MDTA 96HN2 6 3 MDTA 120CRN2...
Page 13: ...MCAC UTSM 12 14 6 4 MDTA 120HRN2...
Page 36: ...MCAC UTSM 12 37 6 Wiring Diagrams 6 1 MDFA 76CRN2 MDFA 96CRN2 CN20 CN20 CN20...
Page 37: ...MCAC UTSM 12 38 6 2 MDFA 76HRN2 MDFA 96HRN2 CN20 CN20 CN20...
Page 51: ...MCAC UTSM 12 53 2 Dimension 2 1 MDOV 76C H CN2 MDOV 96C H CN2...
Page 52: ...MCAC UTSM 12 54 2 2 MDOV 120C H CN2...
Page 55: ...MCAC UTSM 12 57 4 Wiring Diagrams 4 1 MDOV 76C CN2 MDOV 96C CN2 MDOV 120C CN2...
Page 56: ...MCAC UTSM 12 58 4 2 MDOV 76H CN2 MDOV 96H CN2 MDOV 120H CN2...
Page 87: ...UTSM 12 90 Floor standing type cooling and heating type 76 kBtu h 96 kBtu h...
