Bradford White RG1PV50S6X19-264, Руководство пользователя

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34
Troubleshooting
LED Status Control Status Probable Cause
None (LED not on
or flashing)
Electrical power
not present.
Control power switch in “OFF” position.
Supply voltage interrupted.
One short flash
every four
seconds
Stand-by mode,
Thermostat is
satisfied (no
faults).
Temperature demand is satisfied (no call for
heat).
Alternates bright
and dim
(Heartbeat)
Thermostat calling
for heat (no fault).
Tank temperature below set point of
thermostat.
Short flash once
every second
Weak pilot signal
on last call for
heat.
1. Unstable pilot.
2. Pilot tube block or restricted.
3. Oxidation build up on pilot electrode.
4. Wire damage to pilot assembly or bad
connection at gas valve.
Short flash once
every two seconds
Idle remote
command off.
1. Control put in idle or Sabbath mode from
accessory module.
Two flashes, three
second pause
Pressure switch
not working-closed
position.
1. Pressure switch tubing kinked or blocked.
2. Blocked pressure tap on switch.
3. Faulty pressure switch.
Three flashes,
three second
pause
Pressure switch or
blower
temperature
switch not working
-open position.
1. Vent blockage or improper vent
configuration.
2. Pressure switch tubing kinked or blocked.
3. Blower not spinning up to speed.
4. Vent temperature too high.
5. Faulty pressure switch or vent limit switch.
Four flashes, three
second pause
Excessive tank
temperature.
System must be
reset.
1. Excessive sediment.
2. Hot water entering the tank from another
source in the potable loop.
3. Faulty gas valve.
Five flashes, three
second pause
False pilot flame
present.
1. Pilot valve stuck in open position.
Six flashes-one
flash, three
second pause
(Soft lockout)
Failed to light pilot.
System auto
resets after 5
minutes.
1. Unstable pilot.
2. Pilot tube blocked or restricted.
3. Oxidation build up on pilot electrode.
4. Wire damage to pilot assembly or bad
connection at gas valve.