Section 7
Troubleshooting
Incubated and Refrigerated Shakers 7-1
Thermo Scientific
Problem
Possible Causes
Solutions
Shaker doesn’t operate
Check if power cord is plugged in.
Plug in.
Check if power supply matches requirements on
data label.
Locate power supply that matches
unit requirements.
E-Class, check circuit breaker.
Reset circuit breaker.
E-Class, check for flashing lights on control panel.
Press any switch on control panel.
E-Class, check if elapsed timer is flashing.
Reset timer.
A-Class, check if timer is in off position.
Set timer for continuous or timed
operation.
A-Class, check if power switch is functioning.
Replace if defective.
Platform doesn’t rotate or
has erratic speed
Check for power to motor.
Replace motor if defective.
Check drive belt.
Replace if worn, broken or slipped
off pulley.
A-Class, check for power to speed control.
Replace if defective.
Shaker won’t heat
E-Class make sure “HEAT ON” lamp is lit.
Push “HEAT ON” button.
