TROUBLESHOOTING

(In addition to instruction manual.)

LED Status

Control Status

 

Probable Cause

None (LED not on

Electrical pow er not

1.

Control pow er sw itch in " OFF" position

or flashing)

present

2.

Supply voltage interrupted

One short flash

Stand-by mode,

Temperature demand is satisfied (no call for

every four

Thermostat is satisfied (no

seconds

faults)

heat)

 

 

Alternates bright

Thermostat calling for heat

Tank temperature below setpoint of

and dim

(no fault)

thermostat

(heartbeat)

 

 

 

 

 

1.

Unstable pilot

Short flash once

Weak pilot signal on last

2.

Pilot tube block or restricted

3.

Oxidation build-up on pilot electrode

every second

call for heat

4.

Wire damage to pilot assembly or bad

 

 

 

 

connection at gas valve

Tw o flashes,

 

 

 

three second

Relay not w orking

Faulty relay

pause

 

 

 

Three flashes,

 

 

 

three second

Relay not w orking

Faulty relay

pause

 

 

 

Four flashes,

Excessive tank

1.

Thermal w ell sensor out of calibration

three second

temperature, system must

pause

be reset

2.

Faulty gas valve

 

 

Five flashes,

False pilot flame present

Pilot valve stuck in open position

three second

pause

 

 

 

Six flashes, one

 

1.

Unstable pilot

Failed to light pilot,

2.

Pilot tube block or restricted

flash, three

system resets after (5)

3.

Oxidation build-up on pilot electrode

second pause

minutes

4.

Wire damage to pilot assembly or bad

(Soft Lockout)

 

connection at gas valve

 

 

13

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Bradford-White Corp PE-4-5036FBN, PE-4-403S6FBN, PE-4-40T6FBN, PE-2-XR504T6FBN, 238-48248-00, 48248A Troubleshooting

PE-2-XR504T6FBN, PE-4-40T6FBN, PE-4-5036FBN, 48248A, 238-48248-00 specifications

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