16
10000836
Vermont Castings, Majestic Products RHE Natural Vent Insert
Eurosit 630 Gas Valve
NOTE: Before troubleshooting the gas control system, be sure external gas shut off is in the "On" position.
WARNING: Before doing any gas control service work, remove glass front.
Symptom
Possible Causes
Corrective Action
1. Spark ignitor will not light A. Defective or misaligned
Using a match, light pilot. If pilot lights, turn off pilot
electrode at pilot.
and push the red button again. If pilot will not light
- check gap at electrode and pilot-should be 1/8" to
have a strong spark.
B. Defective ignitor (Push Button)
Push Piezo Ignitor Button. Check for spark at
electrode and pilot. If no spark to pilot, and electrode
wire is properly connected, replace ignitor.
2. Pilot will not stay lit after
A. Defective pilot generator
Check pilot flame. Must impinge on thermocouple.
carefully following lighting
thermocouple.
Clean and or adjust pilot for maximum flame
instructions.
impingement on thermocouple.
B. Defective automatic valve
Turn valve knob to "Pilot". Maintain flow to pilot;
operator.
millivolt meter should read greater than 10 mV. If
reading is okay and the pilot does not stay on, re-
place the gas valve. Note: An interrupter block (not
supplied) must be used to conduct this test.
3. Pilot burning, no gas to
A. Sensing bulb not in proper
Make sure sensing bulb is located in bracket on the
burner, Valve knob "ON".
location.
lower right hand side of unit.
B. Temperature sensing bulb
Carefully examine sensing bulb and capillery tube for
damaged or tubing to bulb
damage. If tubing is kinked, replace gas valve.
kinked
4. Frequent pilot outage
A. Pilot flame may be too low
Clean and/or adjust pilot flame for maximum flame
problem.
or blowing (high) causing the
impingement on thermocouple.
pilot safety to drop out.
B. Possible leak in liner or seals.
Check the venting for leaks or blockage.
Troubleshooting the Gas Control System
