Troubleshooting - Stenner Pumps CLASSIC Serie Manual De Instalación Y Mantenimiento

TROUBLESHOOTING – MOTOR
DISCONNECT power cord before removing motor cover for service. Electrical service
should be performed by trained personnel only.
PROBLEM
Loud or excessive noise
Motor does not work;
fan does not turn
Motor runs; fan turns,
output shaft does not
Motor overheats and
shuts off and on
Phenolic gear is stripping
HAZARDOUS VOLTAGE
POSSIBLE CAUSE
Worn ball bearings
Insufficient lubrication
Worn gears or gear posts
Faulty electrical supply
Rotor bound to coil
Damaged motor coil
Worn or damaged rotor bearings
Damaged power cord
Rotor rusted to coil
Faulty wire connections
Obstructed fan
Worn or damaged gears
Incorrect voltage
High ambient temperature
Damaged/malfunctioning coil
Water intrusion
Cracked bearing bracket
Worn gear posts
Rusted helical gear at end of rotor
Worn gear case cover
Insufficient lubrication
USA and Canada 800.683.2378, International 904.641.1666
SOLUTION
Replace rotor assembly
Apply AquaShield to gears and gear posts
®
Inspect and/or replace gears and gear posts
Check supply voltage circuit
Replace bearing brackets if cracked
Replace motor coil
Replace rotor assembly
Inspect and/or replace power cord
Clean off coil and rotor or replace
Inspect and/or repair electrical connections
Remove obstruction
Replace gears as needed
Check voltage and frequency matches
data label
Pumps are rated at 125˚F maximum
Replace motor coil
Use rain roof & replace phenolic gear
Replace bearing bracket & phenolic gear
Replace gear posts & phenolic gear
Buff off rotor or replace rotor,
replace phenolic gear
Replace gear case
Lubricate with AquaShield
®
23