eHT752S / eHT602D
11. Troubleshooting guide
Case 1. Starting failure |
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| CHECK | PROBABLE CAUSES | ACTION |
| fuel tank | → incorrect fuel | → drain it and use correct fuel |
| fuel filter | → fuel filter is clogged | → clean |
| carburetor adjustment screw | → out of normal range | → adjust to normal range |
| sparking (no spark) | → spark plug is fouled/wet | → clean/dry |
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| → plug gap is incorrect | → correct (GAP: 0.6 ~ 0.7 mm) |
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| spark plug | → disconnected | → retighten |
Case 2. Engine starts but does not keep running/hard |
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| CHECK | PROBABLE CAUSES | ACTION |
| fuel tank | → incorrect fuel or staled fuel | → drain it and use correct fuel |
| carburetor adjustment screw | → out of normal range | → adjust to normal range |
| muffler, cylinder (exhaust port) | → carbon is | → wipe away |
| air cleaner | → clogged with dust | → wash |
| cylinder fin, fan cover | → clogged with dust | → clean |
When your unit seems to need further service, please consult with our ZENOAH service shop in your area.
Limited warranty
Should any failure occur on the product under normal operating conditions within the applicable warranty pe- riod, the failed part will be replaced or repaired free of charge by a ZENOAH authorized dealer.
WARRANTY PERIOD: 1 year (6 months if used profes- sionally, and 30 days if used for rental purpose) from the date of initial purchase.
THE PURCHASER SHALL BEAR COSTS OF TRANS- PORTING THE UNIT TO AND FROM THE ZENOAH DEALER.
THE PURCHASER SHALL NOT BE CHARGED FOR DI- AGNOSTIC LABOR WHICH LEADS TO THE DETERMI- NATION THAT A WARRANTED PART IS DEFECTIVE, IF THE DIAGNOSTIC WORK IS PERFORMED AT THE ZENOAH DEALER.
THE PURCHASER OR OWNER IS RESPONSIBLE FOR THE PERFORMANCE OF THE REQUIRED MAINTE- NANCE AS DEFINED BY THE MANUFACTURER IN THE OWNER/OPERATOR MANUAL.
ANY WARRANTED PART WHICH IS NOT SCHEDULED FOR REPLACEMENT AS REQUIRED MAINTENANCE, OR WHICH IS SCHEDULED ONLY FOR REGULAR IN- SPECTION TO THE EFFECT OF REPAIR OR “REPLACE AS NECESSARY” SHALL BE WARRANTED FOR THE WARRANTY PERIOD. ANY WARRANTED PART WHICH IS SCHEDULED FOR REPLACEMENT AS REQUIRED MAINTENANCE SHALL BE WARRANTED FOR THE PE- RIOD OF TIME UP TO THE FIRST SCHEDULED REPLACEMENT POINT FOR THE PART.
ANY REPLACEMENT PART THAT IS EQUIVALENT IN PERFORMANCE AND DURABILITY MAY BE USED IN NON-
WARRANTY MAINTENANCE OR REPAIRS, AND SHALL NOT REDUCE THE WARRANTY OBLIGATION OF THE COMPANY.
THE COMPANY IS LIABLE FOR DAMAGES TO OTHER ENGINE COMPONENTS CAUSED BY THE FAILURE OF A WARRANTED PART STILL UNDER WARRANTY.
THE WARRANTY DOES NOT APPLY TO THOSE UNITS WHICH HAVE BEEN DAMAGED BY NEGLIGENCE OF INSTRUCTION LISTED IN THE OWNER/OPERATOR MANUAL FOR PROPER USE AND MAINTENANCE OF THE UNITS ACCIDENT MISHANDLING, ALTERATION, ABUSE, IMPROPER LUBRICATION, USE OF ANY PARTS OR ACCESSORIES OTHER THAN THOSE SPECIFIED BY THE COMPANY, OR OTHER CAUSES BEYOND THE COMPANY’S CONTROL.
THIS WARRANTY DOES NOT COVER THOSE PARTS REPLACED BY NORMAL WEAR OR HARMLESS CHANGES IN THEIR APPEARANCE.
THERE ARE NO OTHER EXPRESS WARRANTIES.
IMPLIED WARRANTIES INCLUDING THOSE OF MER- CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO TWO (2) YEARS OF HOME USE [ONE (1) YEAR FOR ANY OTHER USE] FROM THE ORIGINAL DELIVERY DATE.
LIABILITIES FOR INCIDENTAL OR CONSEQUENTIAL DAMAGE UNDER ANY AND ALL WARRANTIES ARE EXCLUDED.
IF YOU NEED TO OBTAIN MORE INFORMATION, PLEASE CALL YOUR NEAREST SERVICE CENTER, OR CHECK PLEASE ZENOAH WEB SITE http://www.zenoah.net
