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Operating Instructions and Parts Manual
www.chpower.com
Troubleshooting Guide
Stop using nailer immediately if any of the following problems occur. Serious personal injury could result.
Any repairs or replacements must be done by a Qualified Service Person or Authorized Service Center.
SYMPTOM CAUSE SOLUTION
Air leaking at trigger valve O-rings in trigger valve housing are
damaged
Replace O-rings. Check operation of Work Contact
Element (WCE)
Air leaking between housing
and nose
1. Damaged O-rings and / or seals 1. Replace O-rings and / or seals
2. Damage to bumper 2. Replace bumper
Air leaking between housing
and cap
1. Loose screws 1. Tighten screws
2. Damaged gasket 2. Replace gasket
Nailer skips driving nail 1. Worn bumper 1. Replace bumper
2. Dirt in nose piece 2. Clean drive channel
3. Dirt or damage prevent nails or
pusher from moving freely in
magazine
3. Clean magazine
4. Damaged pusher spring 4. Replace spring
5. Inadequate air flow to nailer 5. Check fitting, hose, or compressor
6. Worn O-ring on piston or lack of
lubrication
6. Replace piston seals
7. Damaged O-ring on trigger valve 7. Replace O-rings
8. Air leaks 8. Tighten screws and fitings
Nailer runs slow or has loss of
power
1. Nailer not lubricated sufficiently 1. Lubricate nailer
2. Broken spring in cylinder cap 2. Replace spring
3. Exhaust port in cap is blocked 3. Replace damaged internal parts
Nails are jammed in nailer 1. Guide on driver is worn 1. Replace guide
2. Nails are not correct type 2. Use only recommended nails
3. Nails are bent 3. Replace with undamaged nails
4. Magazine or nose screws are loose 4. Tighten screws
5. Driver is damaged 5. Replace driver
6. Nails loaded incorrectly 6. Review Loading / Unloading section of manual
Laser, low nail indicators,
and / or not working
1. System power switch not turned on 1. Turn switch on
2. Batteries need to be replaced 2. Replace batteries (see “Changing batteries”
section)
3. Components not properly replaced
during re-assembly after customer
maintenance
3. Review parts view for assistance in proper re-
assembly
4. Laser won’t come on because WCE
not slightly depessed
4. Depress WCE to work surface
CHN70600