Main CPU related error messages
ERROR
CODE
EXPLANATION
E73.1 EEPROM error, CPU EEPROM erase/program failure, replace
CPU.
E73.2 CPU configuration register contents are wrong, replace CPU.
E73.3 CPU EEPROM checksum error.
E73.4 CPU EEPROM checksum programmed. Replace CPU if error
occurs often.
E75.1 CPU error, WD reset.
E75.2 Illegal OP-code.
E75.3 Illegal vector.
E75.6 Mains voltage failure.
E75.7 Clock monitor reset.
E76 Main PCB hardware test failed.
E76.1 Unknown PCB version. Software upgrade required.
E79 IMUX water pressure cannot be released during waterline
cleaning cycle.
E79.1 IMUX water pressure rose during waterline cleaning cycle
when pressure rise was not expected.
32.3.12 Headrest related error messages
Headrest related error messages
ERROR
CODE
EXPLANATION
E80.1 Motorised headrest is not found (according to service mode
configuration).
E80.2 Motorised headrest is found, but is not set in service mode
configuration.
E80.3 Headrest joystick (dentist side) stuck or cable broken.
E80.4 Headrest joystick (assistant side) stuck or cable broken.
E80.5 Motorised headrest motor A potentiometer or cable is faulty or
disconnected.
E80.6 Motorised headrest motor B potentiometer or cable is faulty or
disconnected.
E80.7 Motorised headrest length potentiometer or cable is faulty or
disconnected.
E81 Motorised headrest communication error (may be too old or
wrong software or loose cables or short circuit).
E81.1 Motorised headrest communication error.
E82 Headrest software is incompatible with MCB software.
Headrest or MCB software should be upgraded.
32 Help and error messages
User's manual Planmeca Compact i 287
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