Re-Verber-Ray MP3 Series Insert Manual page 16

4.0 Troubleshooting Guide
Continued from Page 14
Yes
Does the burner
No
ignite?
Yes
Does the burner
No
stay lit?
Yes
Is the heater
output
No
consistent with
prior operation?
Yes
Does the heater
stay on until the call
for heat ends?
No
Yes
Troubleshooting ends.
For additional information, contact your local
representative or the factory for assistance.
Does the heater's gas
type match the gas
supplied?
Yes
Is the gas supply
valve to the heater in
the open position?
Does the burner
Yes
light and then shut
off immediately
(1-2 seconds)?
No
Does the burner stay
No
on for approximately
8 seconds and then
shut off?
Re-cycle the unit. Check
manifold pressure during start-
up. Is it with the ranges specified
on the rating plate?
No
Check inlet pressure to the
heater. Is it within the minimum
and maximum allowable range as
per the rating plate?
No
Adjust inlet pressure.
Contact local representative or
No
No
Are the pressure
No
switch readings
within specs?
Yes
Replace pressure switch.
Consult factory.
Consider the following:
• Addition of a room thermistor.
Yes
• Addition of wind barriers.
• Check heat loss calculation.
• Consult factory.
Partial blockage in the venting may
Yes
be present. Check for obstructions.
The heater can shut down or stay on due to:
• Improper grounding.
• Faulty control device.
• High winds.
• Taking combustion air from the attic.
• Dirty environment.
• Improperly positioned baffles.
• Fluctuating gas pressure.
16
MP3 Series
factory.
Open gas supply valve.
Yes
The fan is faulty or there
is a restriction in the
intake or exhaust.
Yes