Service Codes: Notes

All models use 3-digit codes. When CIRCUIT TEST procedures apply to both 2-digit codes and 3-digit codes, the applicable codes will be separated by a diagonal mark (example: Code 31/327).

During QUICK TEST, 3 types of service codes are retrieved: KOEO, KOER and Continuous Memory codes. See QUICK TEST for self-test procedures. Codes may be cleared from PCM memory after they have been recorded or repaired. See CLEARING CODES  .