Troubleshooting Guide - LRP electronic ZZ.21C CERAMIC SQUARE STROKE Manual De Instrucciones

USER GUIDE
ZZ.21C CERAMIC SQUARE STROKE
BEST.-NR. 32123
12. Trouble shooting guide
PROBLEM REASON
Glow plug defective
Glow plug does not work
properly
Engine is set too rich (too
Engine does not
much fuel, hits back)
start
Engine is too lean (too little
fuel, does not start)
Engine doesn't suck in the
fuel
Glow plug defective
Bad fuel
Bad carburetor setting
Engine stops
after a short
time after glow
plug igniter has
Dirt in fuel line or carburetor
been discon-
nected
Fuel line damaged
Loose glow plug or
cooling head
Air filter old or dirty
Engine is set too lean
Performance
decreases after
Glow plug defective or
reaching opera-
wrong type
ting temperature
or engine stalls
Engine runs too hot
from time to
time
Shims under comb. chamber
wrong
Bad carburetor setting
Engine still
keeps running
at high RPM for
a moment when Glow plug, wrong type
you release the (too hot)
throttle
Shims under combustion
chamber wrong
MA00270 © LRP electronic GmbH 2017
SOLUTION
- replace glow plug
- check the condition of the
glow plug
- check the glow plug igniter
- check carburetor settings,
repeat tuning procedure
- unscrew the glow plug
completely and use startbox
for 5sec
- check carburetor setting,
repeat tuning procedure
- check the fuel line for
possible damage
- check the carburetor setting
- replace glow plug
- replace fuel by fresh and
correct type of fuel
- check the carburetor
setting, repeat tuning
procedure
- clean fuel line, clean &
check carburetor
- replace fuel line
- tighten glow plug and/or
cooling head
- clean or replace air filter
- check the carburetor
setting, repeat tuning
procedure
- replace the glow plug by a
correct type
- run-in process is not
completed
- check number of shims
- open mid-range needle
¼ turn at a time and
re-adjust idle-speed
- set idle speed lower
- use glow plug with higher
number (e.g. go from 5 to 6)
- check number of shims
2.99 PS
40.500 RPM
ENGLISH
Repair procedures / limited warranty
All products from LRP electronic GmbH (hereinafter called "LRP") are manufactured
according to the highest quality standards. LRP guarantees this product to be free
from defects in materials or workmanship for 90 days (non-european countris only)
from the original date of purchase verified by sales receipt. This limited warranty
doesn´t cover defects, which are a result of misuse, improper maintenance, outside
interference or mechanical damage. This applies among other things on:
This applies among other things on:
• Engine disassembly by customer
• Any modification of the engine done by the customer
• Rust inside the engine
• Dust or dirt inside the engine
• Damaged engine due to glow plug failure
• Overheating
• Scratches inside the engine caused by dirt or dust
• Water in fuel
• Wrong break-in procedure
• Damaged piston due to piston stop devices
• Damaged cylinder exhaust port due to piston stop devices
• Breakages at high rpm without engine load
To eliminate all other possibilities or improper handling, first check all other compo-
nents in your model and the trouble shooting guide, if available, before you send in
this product for repair. If products are sent in for repair, which do operate perfectly,
we have to charge a service fee according to our pricelist.
With sending in this product, the customer has to advise LRP if the product should be
repaired in either case. If there is neither a warranty nor guarantee claim, the inspec-
tion of the product and the repairs, if necessary, in either case will be charged with a
fee at the customers expense according to our price list. A proof of purchase inclu-
ding date of purchase needs to be included. Otherwise, no warranty can be granted.
For quick repair- and return service, add your address and detailed description of the
malfunction.
If LRP no longer manufactures a returned defective product and we are unable to
service it, we shall provide you with a product that has at least the same value from
one of the successor series.
The specifications like weight, size and others should be seen as guide values. Due to
ongoing technical improvements, which are done in the interest of the product, LRP
does not take any responsibility for the accuracy of these specs.
LRP-Distributor-Service:
• check www.LRP .cc
LRP electronic GmbH
Hanfwiesenstraße 15
73614 Schorndorf
Deutschland
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