Tennant T681 Manual De Instrucciones página 65

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. If a malfunction is detected, the status LED provides two types of information, a slow blink (2 Hz) or a
fast blink (4 Hz) to indicate the severity of the malfunction.
Slow blink malfunctions are cancelled automatically once the malfunction has been repaired and the machine resumes
The severity warning remains active for 10 seconds, after which the status LED blinks constantly, showing a two digit
For example, error code "1,4" is displayed as follows:
1,1
1,2
1,3
1,4
1,5
2,1
2,3
2,4
* 3,1
3,2
3,3
3,4
3,5
* 4,1
* 4,2
* 4,3
* 4,4
ALARMS/WARNINGS DISPLAYED
DRIVE WHEEL PCB ALARMS
Overheating > 92°
Accelerator malfunction
Speed limiter potentiometer malfunction
Overvoltage malfunction
Undervoltage malfunction
Principal contactor actuator opening failure
Defective principal contactor, faulty electric brake coil
Principal contactor actuator closing failure
Accelerator potentiometer malfunction
Brake activation malfunction
Low battery voltage
Brake deactivation malfunction
HPD
potentiometer)
Motor short circuit
Incorrect motor voltage/short circuit in motor
EEPROM malfunction
Short circuit in motor/EEPROM error
malfunction (incorrect
EN
regulation of accelerator
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