Codes for the 1200 loft code description solution – Vintage Cellars LOFT 1200 User Manual
Page 8

8
7. CODES FOR THE 1200 LOFT
Code
Description
Solution
E1
Temperature in upper zone is 4 degrees higher
than lower zone
E1 will usually disappear within an hour
when system equalizes
F1
If evaporator temperature lower than 0°F then
compressor stops and in defrost mode
Wait for three hours and check again
–
once temperature above 39°F alarm
disappears
F2
If compressor runs for 8 hours continuously then
unit enters defrost and compressor turns off for
20 minutes
Reset by unplugging unit if F2 alarm
persists
C1
Upper zone sensor has an open circuit and is
not functioning
– Compressor stops running.
Socket/plug on circuit board marked “UP”
has poor connection - Repair. Damaged
sensor or control board
– Repair or
replace.
C2
Lower zone sensor has an open circuit and is
not functioning
– Compressor stops running.
Socket/plug on circuit board marked
“DOWN” has poor connection - Repair.
Damaged sensor or control board
–
Repair or replace.
C3
Evaporator sensor has an open circuit and is not
functioning
– Compressor stops running.
Socket/plug on circuit board marked
“PTC” has poor connection - Repair.
Damaged sensor or control board
–
Repair or replace.
U1
Upper zone sensor has a short in the line and is
not functioning
– Compressor stops running.
Replace sensor connected to circuit
board plug marked “UP”. Repair or
replace control board.
U2
Lower zone sensor has a short in the line and is
not functioning
– Compressor stops running.
Replace sensor connected to circuit
board plug marked “DOWN”. Repair or
replace control board.
U3
Evaporator sensor has a short in the line and is
not functioning
– Compressor stops running.
Replace sensor connected to circuit
board plug marked “PTC”. Repair or
replace control board.
Alarm
sounds
If buzzer sounds temperature is lower than 32°F
or higher than 69°F.
If persists, contact dealer.