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TROUBLESHOOTING GUIDE (Cont.)
Error Codes (Continued)
LED DISPLAY
E
C
0 0
MENU
(-)
E
C
0 1
MENU
(-)
E
C
0 1
MENU
(-)
ERROR
7
Tank Temp Sensor Failed
(+)
0
Switch Board Failure
(+)
1
Power Supply Voltage Out of
Range
(+)
DESCRIPTION/TROUBLESHOOTING
Sensor Reading Out Of Range (High
or Low). Faulty Sensor wiring.
Unable To Communicate With The
Switch Board In The Door. Faulty
wiring between the Door and the Main
Control Board.
Too High (>26 Vdc) or Too Low (<23
Vdc) Display alternates between
EC-011 and the actual power supply
voltage, (XX Vdc). Check line voltage.
Check 115/230 Vac switch on the
power supply.
23
38791 040306
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