Tennant T681 Manual De Instrucciones página 32

ERROR CAUSE
CODE
NO24 Battery below minimum level (18V)
NOFR Main fuse blown or power relay fault
NOEP EEPROM management error
FH20 No water in tank.
SH20 Dirty water tank full
OFF Machine in the process of shutting down
R (xxx) Indicates software release
CD (xx) Indicates CHEM DOSE quantity
STOP Drive wheel PCB inhibited (operator not occupying the seat) or drive wheel
thermal overload cutout tripped
means of the status LED. In the absence of malfunctions, the status LED remains permanently alight while the machine
is in operation.
ERROR CODE
ALARM A1
ALARM A2
ALARM A3
ALARM A4
ALARM A5
ALARM A6
ALARM A7
ALARM A8
ALARM A9
ALARM A10
ALARM A11
ALARM A12
ALARM A13
ALARM A14
ALARMS/WARNINGS DISPLAYED
DRIVE WHEEL PCB ALARMS
CAUSE
Forward Drive switch closed at start-up
Reverse Drive switch closed at start-up
Potentiometer fault
Potentiometer not on zero at start-up
Thermal cutout
Drive circuit board fault
Overcurrent (motor fault)
Fuse or power contacts damaged (drive circuit board fault)
Undervoltage
Overvoltage
Overload
Disable microswitch active (input fault)
Key shutdown sequence active (input fault)
Internal memory alarm (drive circuit board fault)
EN
SOLUTION
Charge the battery
Contact Service
Contact Service
Fill the solution tank
Empty the dirty water tank
/
/
/
Sit correctly in the seat
SOLUTION
Contact Service
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