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Sterilizers and reprocessors

Pelton & Crane OCM: troubleshooting and error codes

The ServiceForge knowledge base holds 6 documented symptoms for the Pelton & Crane OCM, with 28 ranked causes, 0 diagnostic checks with test points and expected values, and 0 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Will not build up to sterilizing pressure/temperature caution

Unit fails to reach required sterilizing pressure and temperature during cycle.

Ranked causes

  1. 1. Door not locked or leaking (common)
  2. 2. Door switch position incorrect (occasional)
  3. 3. Unit not level (occasional)
  4. 4. Insufficient water during fill cycle (common)
  5. 5. Potentiometer setting incorrect (occasional)
  6. 6. Center heating element resistance out of spec (occasional)
  7. 7. Overtemp switch failure (rare)
  8. 8. Thermistor assembly out of spec (rare)
  9. 9. Front potentiometer out of spec (rare)
  10. 10. Solid state controller open or failed (rare)
  11. 11. Main valve fill/vent failure (rare)
  12. 12. Function switch not activating (rare)
  13. 13. Rocker arm or cam assembly misaligned (rare)

13 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

No control of pressure/temperature caution

Sterilizer does not respond to pressure and temperature adjustments during operation.

Ranked causes

  1. 1. Overtemp switch fault (unknown)
  2. 2. Thermistor assembly failure (unknown)
  3. 3. Solid state controller malfunction (unknown)
  4. 4. Center heating element failure (unknown)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Thermometer reads more than 4°F below required temperature at given pressure caution

Temperature gauge reading is excessively low compared to expected sterilizing temperature.

Ranked causes

  1. 1. Bellows failure (unknown)
  2. 2. Temperature gauge malfunction (unknown)
  3. 3. Pressure gauge malfunction (unknown)
  4. 4. Air valve housing contamination or failure (unknown)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Timer bell will not ring at end of timing cycle caution

Audio alarm does not sound when sterilization timer reaches zero.

Ranked causes

  1. 1. Timer mechanism failure (common)
  2. 2. Timer bell off-center (occasional)
  3. 3. Timer position misaligned (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Pilot light bulbs slow to light when autoclave is turned on caution

Indicator bulbs have delayed illumination or dim appearance at startup.

Ranked causes

  1. 1. Low line voltage (common)
  2. 2. Bulb failure or end of life (common)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Thermometer reads more than 4°F above required temperature at given pressure caution

Temperature gauge reading is excessively high compared to expected sterilizing temperature.

Ranked causes

  1. 1. Temperature gauge malfunction (unknown)
  2. 2. Pressure gauge malfunction (unknown)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.