
47
Screen Display
Explanation
Go to Page For
Troubleshooting
Low water cutoff sees no water.
Go to Page 54
Flue temperature sensor sees temperature
higher than 200°F.
Go to Page 55
Return water temperature sensor sees
temperature higher than 200°F.
Go to Page 56
Control board internal error. Power down then
power up boiler. If error repeatedly occurs
replace control module.
Replace Control
Module
Boiler is powered by three wires, hot, neutral
and ground. E44 displays when neutral wire is
not neutral.
Go to Page 56
Control board sees power supply frequency not
in range of 59 to 61 Hz.
Go to Page 57
Boiler power supply ground wire is not
grounded.
Go to Page 58
Control board internal error. Power down then
power up boiler. If error repeatedly occurs
replace control module.
Replace Control
Module
Supply temperature sensor is open. No
continuity.
Go to Page 58
Return water temperature sensor is open. No
continuity.
Go to Page 59
Flue temperature sensor is open. No
continuity.
Go to Page 60
Supply water temperature sensor is shorted.
'0' Ohm
Go to Page 60
Return water temperature sensor is shorted.
'0' Ohm
Go to Page 61
Flue temperature sensor is shorted. '0' Ohm
Go to Page 61
Reset button was pressed too many times.
Error Clears in 1-2
minutes
Fault detected in blower motor system.
Go to page 57
Blocking Error
F l u e G a s E r r o r
E 39
13 - TROUBLE SHOOTING
Содержание VX-050
Страница 49: ...49 13 TROUBLE SHOOTING...
Страница 51: ...51 13 TROUBLE SHOOTING...
Страница 63: ...63 14 1 Connection Diagram 050 075 100 MBH 14 WIRING DIAGRAM...
Страница 64: ...64 14 2 Schematic Diagram of Ladder Form 050 075 100 MBH 14 WIRING DIAGRAM...
Страница 65: ...65 14 3 Connection Diagram 150 200 MBH 14 WIRING DIAGRAM...
Страница 66: ...66 14 4 Schematic Diagram of Ladder Form 150 200 MBH 14 WIRING DIAGRAM...
Страница 83: ...83 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 50 75 100 MBH...
Страница 84: ...84 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 50 75 100 MBH...
Страница 85: ...85 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 150 200 MBH...
Страница 86: ...86 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 150 200 MBH...
Страница 87: ...87 NOTES...
Страница 88: ...DUNKIRK BOILERS 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com...