Troubleshooting - Barnstead International MaxQ 4000 Manual

Troubleshooting

Problem
Shaker doesn't operate
Platform doesn't rotate or
has erratic speed
Shaker won't heat
30
Possible Causes
Check if power cord is plugged in.
Check if power supply matches
requirements on data label.
E-Class, check circuit breaker.
E-Class, check for flashing lights
on control panel.
E-Class, check if elapsed timer is
flashing.
A-Class, check if timer is in off
position.
A-Class, check if power switch is
functioning.
Check for power to motor.
Check drive belt.
A-Class, check for power
to speed control.
E-Class make sure
"HEAT ON" lamp is lit.
Solutions
Plug in.
Locate power supply that matches
unit requirements.
Reset circuit breaker.
Press any membrane switch on
control panel.
Reset timer.
Set timer for continuous or timed
operation.
Replace if defective.
Replace motor if defective.
Replace if worn, broken
or slipped off pulley.
Replace if defective.
Push "HEAT ON" button.