48
Screen Display
Explanation
Go to Page For
Troubleshooting
Low water cutoff sees no water.
Go to Page 55
Flue temperature sensor sees temperature
higher than 200°F.
Go to Page 56
Return water temperature sensor sees
temperature higher than 200°F.
Go to Page 57
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 57
Control board sees power supply frequency not
in range of 59 to 61 Hz.
Go to Page 58
Boiler power supply ground wire is not
grounded.
Go to Page 59
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 59
Return water temperature sensor is open. No
continuity.
Go to Page 60
Flue temperature sensor is open. No
continuity.
Go to Page 61
Supply water temperature sensor is shorted.
'0' Ohm
Go to Page 61
Return water temperature sensor is shorted.
'0' Ohm
Go to Page 62
Flue temperature sensor is shorted. '0' Ohm
Go to Page 62
Reset button was pressed too many times.
Error Clears in 1-2
minutes
Fault detected in blower motor system.
Go to page 58
Blocking Error
F l u e G a s E r r o r
E 39
13 - TROUBLE SHOOTING
P/N# 2400010616, Rev. F [10/26/2015]
Содержание OLSSV-050
Страница 50: ...50 13 TROUBLE SHOOTING P N 2400010616 Rev F 10 26 2015 ...
Страница 52: ...52 13 TROUBLE SHOOTING P N 2400010616 Rev F 10 26 2015 ...
Страница 64: ...64 14 1 Connection Diagram 050 075 100 MBH 14 WIRING DIAGRAM P N 2400010616 Rev F 10 26 2015 ...
Страница 65: ...65 14 2 Schematic Diagram of Ladder Form 050 075 100 MBH 14 WIRING DIAGRAM P N 2400010616 Rev F 10 26 2015 ...
Страница 66: ...66 14 3 Connection Diagram 150 200 MBH 14 WIRING DIAGRAM P N 2400010616 Rev F 10 26 2015 ...
Страница 67: ...67 14 4 Schematic Diagram of Ladder Form 150 200 MBH 14 WIRING DIAGRAM P N 2400010616 Rev F 10 26 2015 ...