Troubleshooting Guidelines - BRP Lynx REV-XU Series Operator's Manual

TROUBLESHOOTING GUIDELINES

ELECTRIC STARTER DOES NOT WORK
1. Emergency engine stop switch in OFF position or tether cord cap not
installed on engine cut-off switch.
– Place the emergency engine stop switch in the ON position and install tether
cord cap (on engine cut-off switch.
2. Throttle applied while attempting an engine start.
– Release throttle while cranking.
ENGINE IS CRANKED BUT FAILS TO START
1. No fuel to the engine.
– Check fuel tank level, add fuel if necessary.
2. System voltage too low.
– Contact an authorized Lynx dealer.
ENGINE RPM DOES NOT REACH CLUTCH ENGAGEMENT POINT
1. D.E.S.S. key not recognized. D.E.S.S. pilot lamp blinks (slow short
beeps/repetitive).
– Properly install tether cord cap.
– Install a tether cord cap with the D.E.S.S. key for which this snowmobile was
programmed.
2. ECM does not recognize the D.E.S.S. key (900 ACE and 1200 4–TEC).
– Refer to an authorized Lynx dealer.
ENGINE OVERHEATS
1. Insufficient snow or hard packed snow.
– Drive in loose snow. If there is no loose snow near, pull over, stop engine and
let it cool down. Once engine has cooled down, reach loose snow as soon as
possible.
2. Low coolant level.
– Check coolant level, see MAINTENANCE PROCEDURES.
3. Clogged heat exchangers.
– Clean heat exchangers.
4. Rear suspension adjusted too high (too much distance between the snow
guard and the ground)
ENGINE LACKS ACCELERATION OR POWER
1. Learning key used (900 ACE and 1200 4–TEC).
– Use a Normal key.
2. Sport mode not activated (900 ACE and 1200 4–TEC).
– Refer to ACTIVATING SPORT MODE in OPERATING MODES.
3. Engine warm-up in progress (E-TEC).
– Drive vehicle at low speeds for a few minutes.
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