11. Troubleshooting guide
Case 1. Starting failure
CHECK | PROBABLE CAUSES | ACTION |
fuel tank | ➞ | incorrect fuel |
fuel filter | ➞ | fuel filter is clogged |
carburetor adjustment screw ➞ | out of normal range | |
sparking (no spark) | ➞ | spark plug is fouled/wet |
| ➞ | plug gap is incorrect |
spark plug | ➞ | disconnected |
➞drain it and with correct fuel
➞clean
➞adjust to normal range
➞clean/dry
➞correct (GAP: 0.6~0.7mm)
➞retighten
Case 2. Engine starts but does not keep running/Hard
CHECK | PROBABLE CAUSES | ACTION |
fuel tank | ➞ incorrect fuel or staled fuel |
carburetor adjustment screw | ➞ out of normal range |
muffler,cylinder (exhaust port) | ➞ carbon is |
air cleaner | ➞ clogged with dust |
cylinder fin, fan cover | ➞ clogged with dust |
➞drain it and with correct fuel
➞adjust to normal range
➞wipe away
➞wash
➞clean
When your unit seems to need further service, please consult with our RedMax service shop in your area.