ECR 075 97gb, Installation, Operation & Maintenance Manual

Page: 46 / 80

46
Screen Display Explanation
Go to Page For
Troubleshooting
Low water cutoff sees no water. Go to Page 53
Flue temperature sensor sees temperature
higher than 200°F.
Go to Page 54
Return water temperature sensor sees
temperature higher than 200°F.
Go to Page 55
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 55
Control board sees power supply frequency not
in range of 59 to 61 Hz.
Go to Page 56
Boiler power supply ground wire is not
grounded.
Go to Page 57
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 56
Return water temperature sensor is open. No
continuity.
Go to Page 57
Flue temperature sensor is open. No
continuity.
Go to Page 59
Supply water temperature sensor is shorted.
'0' Ohm
Go to Page 59
Return water temperature sensor is shorted.
'0' Ohm
Go to Page 60
Flue temperature sensor is shorted. '0' Ohm Go to Page 60
Reset button was pressed too many times.
Error Clears in 1-2
minutes
Fault detected in blower motor system. Go to page 56
Blocking Error
F l u e G a s E r r o r
E 39
13 - TROUBLE SHOOTING