Troubleshooting - FULTON PHW 300 Installation And Operation Manual

SECTION 4
PHW-IOM-2013-0214

Troubleshooting

Use the following table as a guide to troubleshooting your boiler.
Problem
Starting or Purge Failure
Flame Failure
Poor Combustion
NOTE: If air or gas apper material is excessively dirty, they may stick in one position. Replace if excessively dirty.
Questions? Call (315) 298-5121, or visit us online at www.fulton.com
Cause
Power Supply
On/Off Switch
Bad Air Switch
Bad Fan
Flame Rod
Main Control
Plugged Air Inlet
Spark Plug
Loose Wire Connection
Setpoint
Loose Tubing
Power Supply
Main Control
Proof of Flame Switch
Loose Wire Connection
Air Flappers
Gas Flappers
Plugged Exhaust Line
In all Cases:
Air Flappers
Gas Flappers
Plugged Air Inlet
Check
Check fuse or circuit breaker. Reset or replace, as neces-
sary.
For all models check to see if on/off switch has loose wires.
Try adjusting sensitivity of switch or replace.
Check fan for operation. Replace if necessary.
Check for carbon buildup, cracks in porcelain.
Check for bad ground, or bad control. Replace control.
Check for blockage of air inlet line and remove.
Check for carbon buildup, moisture, cracks in porcelain.
Check for proper gab (.050"-.060" for Champion spark
plug). Clean or replace as necessary.
Check connections to all components.
Check that the setpoint is set higher than temperature of
the boiler water.
Check to see if the copper tubing on the air valve housing
is securely connected.
Check fuse or circuit breaker. Reset or replace, as neces-
sary.
Check for bad ground, or bad control. Replace control.
Check adjustment of pressure switch number 2. It should
be set at 1.5" w.c. Replace if necessary.
Check connections to all components.
Check to see if the fl appers on the air valve plate are
placed correctly (covering the holes).
Check to see if the fl appers on the gas valve plate are
placed correctly (covering the holes).
Check for blockage in exhaust piping and remove.
Reset main control panel box on fl ame failure.
Check to see if the fl appers on the air valve plate are
placed correctly (covering the holes).
Check to see if the fl appers on the gas valve plate are
placed correctly (covering the holes).
Check for blockage in air inlet line and remove.
MAINTENANCE
4-5