HYTROL NBEZ Manual De Instalación Y Mantenimiento página 11

• NBEZA TROUBLE SHOOTING
The following chart list possible problems that may occur in the operation of
an NBEZA conveyor.
TROUBLE
Conveyor will not start or motor
quits frequently
Loud popping or grinding noise
in bearing
Gearmotor overheating
Belt doesn't move, but drive
runs
Belt creeps to one side
Product will not accumulate on
one or more zones
Zone will not drive
Zone will not "sleep"
• NBLR TROUBLE SHOOTING
The following chart list possible problems that may occur in the operation of
an NBLR conveyor.
TROUBLE CAUSE
Conveyor will not start or 1) Motor is overloaded or drawing too much
motor quits frequently current
Loud popping or grinding 1) Defective bearing
noise in bearing 2) Loose set screw
3) Loose drive chain
Gearmotor overheating 1) Conveyor is overloaded
2) Low voltage to motor
3) Low lubricant level
Belt doesn't move, but 1) Conveyor is overloaded
drive runs 2) Belt is too loose
Belt creeps to one side 1) Tail pulley or snub idler at center drive not
properly aligned or square bed
2) Conveyor not straight
3) Conveyor not level
4) Material build-up on rollers, pulleys, or idlers
CAUSE
1) Motor is overloaded or drawing too
much current
1) Defective bearing
2) Loose set screw
3) Loose drive chain
1) Conveyor is overloaded
2) Low voltage to motor
3) Low lubricant level
1) Conveyor is overloaded
2) Belt is too loose
1) Tail pulley or snub idler at center
drive not properly aligned or square bed
2) Conveyor not straight
3) Conveyor not level
4) Material build-up on rollers, pulleys,
or idlers
1) Air line is kinked
2) Cordset disconnected
3) Solenoid cable disconnected
4) Solenoid valve not working
5) Zone Controller not working
6) Frame not square.
1) Controller lens dirty
2) Reflector missing or damaged
3) Frame not square.
1) "Sleep" feature disabled
2) Upstream zone is blocked
SOLUTION
1) Check for overloading of conveyor
2) Check heater or circuit breaker and change if necessary
1) Replace bearing
2) Tighten set screw
3) Tighten chain
1) Check capacity of conveyor and reduce load to recommended level
2) have an eletrician check and correct as necessary
3) Relubricate per manufacturer's recommendations
1) Reduce load
2) Use spring take-up to tighten belt where back section on indicator is
centered in viewing window
1) Adjust as necessary
2) Realign bed sections as necessary
3) Correct as necessary
4) Remove residue and install belt cleaners or scrappers if possible
1) Unkink air line
2) Reconnect cable
3) Reconnect cable
4) Repair/replace solenoid valve
5) Replace controller
6) Locate points on corners of section and measure distance diagonally.
Use crossbracing underside to square until dimensions are equal.
1) Clean lens
2) Replace reflector
3) Locate points on corners of section and measure distance diagonally.
Use crossbracing underside to square until dimensions are equal.
1) Set "Sleep" to "Enable"
2) Unblock zone
SOLUTION
1) Check for overloading of conveyor
2) Check heater or circuit breaker and change if necessary
1) Replace bearing
2) Tighten set screw
3) Tighten chain
1) Check capacity of conveyor and reduce load to recommended level
2) Have an electrician check and correct as necessary
3) Relubricate per manufacturer's recommendations
1) Reduce load
2) Use spring take-up to tighten belt where black section on indicator is
centered in viewing window
1) Adjust as necessary
2) Realign bed sections as necessary
3) Correct as necessary
4) Remove residue and install belt cleaners or scrappers if possible
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