Roberts Gorden 225 250 用户手册

下载
页码 52
SECTION 13: T
ROUBLESHOOTING
27
SECTION 13: TROUBLESHOOTING
13.1 General
Ensure proper air flow 
clearance for axial fan. 
Open louvers slightly.
Replace axial fan if it does 
not operate.
If problems persist, contact
Roberts-Gordon LLC at
www.rg-inc.com
Heater Operating
TROUBLESHOOT ENDS.
No
Replace limit switch.
The limit switch has 
tripped. See Manual Reset 
Limit Switch Figure.
No
Use Troubleshooting for
Automatic Ignition Burner
Systems section to test burner.
Has burner “Locked Out”?
Yes
No
With external controls (i.e. 
thermostat) on, does the 
burner continue through the 
heating cycle?
No
Yes
Does the flue 
blower run?
No
Use Troubleshooting for 
Flue Blower section to test 
fan.
Yes
Yes
Burner has locked out due 
to ignition failure. Use 
Troubleshooting for 
Automatic Ignition Burner 
Systems section to test 
burner.
Is ignition control showing a 
"2 flashes" led code?
Yes
No
Yes
Fan and limit switch are 
operating normally.
Replace temperature
limit switch.
Wait 10-15 minutes for 
limit switch to cool. Does 
fan stop running?
No
Yes
Does axial fan run 
immediately upon supplying 
power to heater?
Yes
No
Turn on supplies.
Are gas & electrical
supplies on?
No 
Yes
START
WARNING
Explosion Hazard
Installation must be done by a registered installer/
contractor qualified in the installation and service of
gas-fired  heating  equipment  or  your  gas  supplier.
Failure to follow these instructions can result in death,
injury or property damage.