TROUBLESHOOTING
Problem
Possible Cause
Solution
Thermostat does
not work
The pilot flame has gone out
· Turn it ON
The On/Off switch is turn to OFF
The thermostat is set too high
· Set the thermostat to a lower temperature
No spark
generation
Spark develops near the pilot assembly or
could occur onboard
· Check pilot assembly wiring
· Check for broken or poor connection from the sparker to the electrode
· Check for the spark shorting or arcing at other locations
· Check for defective sparker and spark electrode
No pilot flame
ignition
No spark from the igniter
· See “no spark generation”
Air in the gas line
· It takes a while for all the air to purge out of the pilot before gas can reach the pilot
and ignite
Pilot gas pressure dropout upon main
burner gas valve opening
· Check gas mains supply and pressure
No gas flow out of the pilot burner
· Check gas valve wirings and connections to the board
· Check the pilot burner for obstruction
· Check the wirings and connections between the pilot assembly and the board
· Check the correct gas type settings on the valve and pilot burner assembly orifice
Pilot will not
remain lit
Problem with Flame Sensor circuit
· Check for proper connection of the Flame Sensor to the DFC board
·
Check pilot for full flame impingement around Flame Sensor
· If flame is too small, check gas pressure, adjust pilot rate screw, check pilot head for
damage
· Ensure the ground wire is properly attached to the pilot mounting bracket
and that it is makes a good electrical connection.
Restrictor setting
· Use the correct restrictor setting for the venting configuration
Remote control
does not work
The pilot light has gone out
· See “Pilot will not remain lit”
The remote is too far away from the heater
· Use the remote closer to the heater
The remote control receiver is turned “OFF”
· Check the remote control instructions
One of the two remote control or receiver
batteries are dead
· Replace the batteries
No reaction to
command
Receiver or transmitter batteries are low
· Replace the batteries
A maximum number of failed ignitions or
flame restorations have been reached.
· Remove any possible blocking conditions. See “locking conditions”
· See how to reset the board from Lockout
No communication between the remote
control and the receiver
· Reprogram the transmitter to the receiver.
· Follow the initializing system for the first time
HZ965/L965 Gas Fireplace |
63
63
|
maintenance
Summary of Contents for Horizon HZ965E
Page 52: ...SAFETY SCREEN INSTALLATION 52 HZ965 L965 Gas Fireplace 52 installation ...
Page 66: ...66 HZ965 L965 Gas Fireplace 66 parts list ...
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Page 73: ...HZ965 L965 Gas Fireplace 73 73 notes ...
Page 74: ...74 HZ965 L965 Gas Fireplace 74 notes ...
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