GENERAL TROUBL-SHOOTING
TROUBLE |
| POSSIBLE CAUSE |
| REMEDY |
Boiler fails to reach full operating | 1. | Pressure gauge reads inaccu- | 1. | Replace. |
pressure of 5 lbs. or 15 lbs. |
| rately. | 2. | Follow instructions for readjust- |
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| 2. | Pressure control and high limit |
| ing. (page 10) |
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| control switches are out of ad- | 3. | Purge manually or replace. |
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| justment. | ||
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| 4. | Adjust water level control | |
| 3. | Safety valve not seating prop- | ||
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| - check water feed valve for | ||
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| erly. |
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| sticking - clean or replace. | |
| 4. | Water level too high. |
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| 5. | Replace. | ||
| 5. | Air vent not venting properly. | ||
| 6. | See instructions on gas adjust- | ||
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| 6. | Insufficient flames on burners |
| ments. (page 5) |
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| or improper gas supply. |
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Boiler fails to cut off after reaching | 1. | Pressure switch set too high or | 1. | Adjust or replace if defective. |
operating pressure. |
| defective. | 2. | Replace gas valve. |
| 2. | Gas valve fails to cut off gas | ||
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| supply when demands of pres- |
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| sure switch have been met. |
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Safety valve blows off prematurely. | 1. | Pressure set too high. | 1. | Readjust pressure control. |
| 2. | Pressure gauge reads incor- |
| (page 10) |
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| rectly. | 2. | Replace. |
| 3. | Lime or debris on seat of valve | 3. | Purge or replace. |
Boiler builds up to pressure, shuts | 1. | 1. High limit switch set to low | 1. | 1. Follow instructions for read- |
down, fails to come back on. |
| or operating pressure control |
| justing, see (page 10) Replace |
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| switch set too high. |
| if defective. |
Water does not enter boiler. | 1. | Main water supply off. | 1. | Turn on. |
| 2. | Power not reaching unit. | 2. | Check main fuse or circuit. |
| 3. | Probes Dirty. | 3. | Remove & Clean |
| 4. | Water level control board defec- | 4. | See page 11 for test procedure. |
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| tive. | 5. | If Voltage is verified at solenoid |
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| 5. | Solenoid valve defective |
| coil, but fails to open, replace |
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| solenoid. |
Cold water condenser does not | 1. | Main water supply off. | 1. | Turn on. |
function. | 2. | Thermostat defective. | 2. | Replace if defective. |
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| 3. | Loose coil nut. | 3. | Tighten coil nut. |
| 4. | Solenoid coil not energized. | 4. | Check coil for continuity, if open |
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| replace. |
Air vent leaking. | 1. | Not closing. | 1. | Replace. |
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