Section 7
Troubleshooting
MaxQ 5000 Shaker 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 the power supply that
matches unit requirements
E-Class, Check fuse
Replace fuse
E-Class, check for flashing
lights on control panel
Press any switch on control
panel
E-Class, check if elapsed timer
is flashing
Re-set 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.