Vermont Castings, Majestic Products RHEDV Direct Vent Insert
Troubleshooting the Gas Control System
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 and |
| electrode at pilot. | push the red button again. If pilot will not light - check |
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| gap at electrode and |
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| strong spark. |
| B. Defective ignitor (Push Button) | Push Piezo Ignitor Button. Check for spark at electrode |
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| and pilot. If no spark to pilot, and electrode wire is |
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| 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 impinge- |
ment instructions. |
| 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 the |
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| reading is okay and the pilot does not stay on, replace |
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| the gas valve. Note: An interrupter block (not supplied) |
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| 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. |
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| pilot safety to drop out. |
| B. Possible leak in liner or seals. | Check the venting for leaks or blockage. |
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16 | 10000801 |