Troubleshooting Chart

[Dragon Slayer]

If you are having technical problems this troubleshooting chart may help...

Motor Runs	If	simultaneous	CONDITIONS	are	then	check	THIS.
(when power and throttle are ON)	Push Bike Backwards	Power	Throttle	Resistance		Throttle	FET-HS	FET-LS	Sensor
no	quickly	on	off	strong	?	check	~	ok	ok
no	quickly (or forward)	off	off	minimal to strong	?	~	short	short	~
no	quickly	on	off	none to minimal	?	~	ok	ok	short/open
yes	quickly	on	off	strong	?	ok	ok	ok	ok
yes	quickly	off	off	minimal	?	ok	ok	ok	short/open
yes	quickly	off	off	none	?	ok	ok	ok	ok

Usage

Conditions
 
1. Does your motor run when power is on and throttle is applied? No. Continue.
2. Push backwards quickly with power on and throttle off.
3. Is there strong resistance? No. Go to step 5.
4. Yes. Go to step A.
5. Is there none to minimal resistance? No. Go to step 7.
6. Yes. Go to step D.
7. Is there No resistance? No. Goto step 9.
8. Yes. Go to step C.
9. Push backwards quickly with power off and throttle off.
10. Is there minimal to strong resistance? No. Go to step 12.
11. Yes. Go to step B.
12. Is there no resistance. No. Go to step 10.
13. Yes. Go to step D.

Actions

A. Check throttle - shorts or opens. Go to step 1.
B. Check FETs - shorts. Go to step 1.
C. Check FETs - opens (rare). Go to step D.
D. Check sensors - shorts or opens. Go to step 1.

Replacement Parts

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