User Manual

C20T Model 641746
14
TROUBLESHOOTING ERROR CODES
Error
code
Problem
Solution
F01
Emergency Stop Alarm
Triggered
Release the emergency stop, then reset the controller
F02
Eeprom Failure 1
Rewrite the configuration parameters, then restart.
F03
Low Battery Voltage
1. Charge the batteries, then restart the controller
2. Replace the controller
F04
High Battery Voltage
If the batteries volts are higher than what is set, wait
until the volts recover to normal status then restart the
controller
F05
Pre-Charging Failure 1
1. Check drive motor/electromagnetic brake to make
sure no short circuit
2. Replace the controller
F06
Key Switch Voltage Failure
Make sure no wiring issue
F07
Controller Self-Checking Error
Replace the controller
F10
Traction Motor MOS Tube
Failure
1. Make sure no water entered into the brake, then
restart
2. Make sure no wiring issue of the drive motor (if it is
short-circuited with batteries)
3. Replace the controller
F11
Brush Motor MOS Tube
Failure
1. Make sure no wiring issue of the brush motor (if it
is short-circuited with the batteries)
2. Replace the controller
F12
Vacuum Motor MOS Tube
Failure
1. Make sure no wiring issue of the vacuum motor (if it
is short-circuited with the batteries)
2. Replace the controller
F13
Brush Up/Down Motor MOS
Tube Failure
1. Make sure no wiring issue of the brush Up/Down
motor (if it is short-circuited with the batteries)
2. Replace the controller
F14
Squeegee Up/Down Motor
MOS Tube Failure
1. Make sure no wiring issue of squeegee UP/Down
motor (if it is short-circuited with the batteries)
2. Replace the controller
F16
Error: Traction Motor Short
Circuit
1. Check the wiring of the drive motor
2. Replace the controller
F18
Error: Brush Motor Short
Circuit
1. Check the wiring of the brush motor
2. Replace the controller
F19
Error: Vacuum Motor Short
Circuit
1. Check the wiring of the vacuum motor
2. Replace the controller