Instruction manual

13
MobileMAX
Section 7 - TROUBLESHOOTING
PROBLEM
Fan fails to start (cont.)
Belt Slipping or wearing
excessively
PROBABLE CAUSE
Circuit breaker tripped or fuse
blown.
Loose electrical connections.
Defective control switch.
Motor burned out.
Belt or pulley loose.
Belt broken or missing.
Belts too tight.
Wrong setting of adjustable motor
pulley (sheave) causing motor
overload.
Low system voltage.
Incorrect motor, motor has been
changed and wrong size fitted.
Belt loose.
Pulleys out of line.
Moisture getting on belt.
Worn belts.
Worn or imperfect pulleys.
Pump motor failure.
Incorrect wiring of pump motor and
control switch.
Loose electrical connections.
Pump control switch faulty.
SUGGESTED REMEDY
Reset circuit breaker or replace
fuse. See procedure Section 1 -
Safety.
Check all electrical connections.
Replace.
Replace.
Tighten belt and pulleys.
Install new belt.
Adjust belt tension.
Adjust pulley (sheave) so motor
amperes do not exceed full load
amperes shown on motor
nameplate (see earlier instruction
in this manual).
Consult with Electrical Authority if
voltage is low.
Fit correct size motor.
Tighten belt.
Align pulleys.
Stop any water leaks.
Replace belts.
Replace pulleys.
Replace complete pump.
Correct wrong electrical
connection.
Tighten electrical connections.
Replace pump control switch.
This is a list of some common service problems, with probable causes and suggested remedies.
Pump fails to operate