IPC Gansow Lavamatic BT 815 Manuel D'instructions page 71

10.2. Alarms displayed
NO24 Battery below minimum level (18V)
NOFR Main fuse blown or power relay malfunction
NOEP EEPROM management error
FH20 No water in tank.
SH20 Dirty water tank full
OFF Machine shutting down
R (xxx) Software release
CD (xx) Chemical DOSE quantity
STOP Motor drive board deactivated (operator not seated) or motor drive
overheat sensor tripped.
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