Errors

• - select type -
• SSV-050
• SSV-075
• SSV-100
• SSV-150
• SSV-200
• UBSSC-050
• UBSSC-075
• UBSSC-100
• UBSSC-150
• UBSSC-200
• UBSSC-299

• - select code -
• A00
• A01
• A05
• A06
• A08
• A09
• A10
• A11
• A12
• A13
• A14
• A18
• A20
• A21
• A22
• A23
• A24
• A27
• A28
• A29
• A30
• E31
• E32
• E33
• E34
• E35
• E36
• E39
• E40
• E43
• E44
• E45
• E46
• E47
• E51
• E52
• E57
• E59
• E60
• E65
• E66
• E73
• E74
• E75
• E76
• E77
• E78
• E79
• E81
• E88
• E89

Boiler type UBSSC-050

Error code E44

Cause:

Boiler is powered by three wires, hot, neutral and ground. E44 displays when neutral wire isnot neutral.

Solution:

1. Measure incoming power with volt meter. Is terminal 120 VAC (L) approximately 120 VAC? Is 120 VAC (N) approximately 0 VAC?
Yes: -> 2 
No: Correct power supply to boiler.

2. Verify order of pins on J2. Pin order should be: empty, black (or red), white, green. Measure volt on pins of black wire and white wire. Is wiring/pins in right order? Does black/wire have 120 VAC? Does white wire/pin have 0 Vac? 
Yes:Replace control module. 
No: Replace wire Harness.