Black Max BM80915E, Operator'S Manual

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Page 17 — English
TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
Engine fails to start 1. No fuel in tank 1. Fill tank
2. Spark plug shorted or fouled 2. Replace spark plug
3. Spark plug is broken (cracked 3. Replace spark plug
porcelain or electrodes broken)
4. Ignition lead wire shorted, broken, 4. Replace lead wire or attach to spark
or disconnected from spark plug plug
5. Ignition inoperative 5. Contact authorized service center
Engine hard to start 1. Water in gasoline 1. Drain entire system and refill with
fresh fuel
2. Weak spark at spark plug 2. Contact authorized service center
Engine lacks power 1. Dirty air filter 1. Clean or replace air filter
Detergent fails to mix with spray 1. Detergent injection hose is not 1. Insert injection hose into detergent
properly submerged container or detergent bottle
2. High pressure nozzle attached 2. Use low pressure nozzle (black) to
apply detergent
Pump doesn’t produce pressure 1. Low pressure nozzle installed 1. Replace with high pressure nozzle
2. Inadequate water supply 2. Provide adequate water flow
3. Trigger handle or spray wand leaks 3. Check connections and / or replace
trigger handle or spray wand
4. Nozzle is clogged 4. Clean nozzle
5. Pump is faulty 5. Contact authorized service center
6. Air in line 6. Squeeze trigger on trigger handle to
remove air from line
Machine doesn’t reach high 1. Diameter of garden hose is too 1. Replace with 3/4 in. garden hose
pressure small
2. Water supply is restricted 2. Check garden hose for kinks, leaks,
and blockages
3. Not enough inlet water 3. Open water source full force
4. Wrong nozzle is attached 4. Attach the high pressure nozzle