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6)
Remove the tiller board from the top of the console.
7)
Disconnect the key switch (KS1) from the tiller board.
8)
Measure resistance across pin 1 and pin 2 on KS1.
•
Less than 1 ohm? – Replace the tiller board.
•
Open? – Replace the key switch.
9)
Remove the cover from the controller.
10) Disconnect the main harness (MH1) from the controller (CN7.)
11) Measure resistance across pin 1 (red wire) on MH1 and pin 8 (red wire) on MH2.
•
Less than 1 ohm? – Replace the controller.
•
Open? – Replace the main harness.
Flash Codes
The S-Drive controller uses an LED on the console to indicate the status of the system. When the key is in the
key switch and the light is on and steady, it means that the power is on and the system is running normally. When
the controller notices that there is a malfunction in the system, it will flash a code when the key is inserted into the
key switch. For example, when it flashes five times and stops, that indicates flash code #5 – Brake Fault.
The following flash codes are used to help diagnose system errors:
Flash Code #1 – Batteries Low (Scooter will operate)
Flash Code #2 – Batteries Very Low (Scooter will not operate)
Flash Code #3 – High Battery Voltage
Flash Code #5 – Motor Brake Fault
Flash Code #6 – Paddle Fault (out of neutral)
Flash Code #7 – Paddle Fault/Speed Control Fault
Flash Code #8 – Motor Fault
Flash Code #9 – Controller Fault
FLASH CODE #1 – BATTERIES LOW (SCOOTER WILL OPERATE.)
1)
Charge the batteries.
2)
If the batteries will not charge, then open the battery box.
3)
Check for loose or corroded battery terminals. Clean with steel wool or wire brush and tighten if necessary.
4)
Measure voltage at BAT- on one battery and BAT+ on the other battery. Take measurement at terminals
connected to the circuit breaker (ICH5 and ICH2.)
•
16 – 24VDC (or battery voltage)? – Replace the intermediate charger harness (ICH.)
•
0VDC? – Go to the next step.
5)
Measure resistance across the circuit breaker terminals (CB1 and CB2.)
•
OPEN? - Replace the circuit breaker.
•
Less than 1 ohm? - Check the continuity between CB3 and CB4 (red wire) and between CB5 and CB6
(black wire.) Replace as necessary.
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