Section 6
Troubleshooting
MaxQ 7000 6-1
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.
Digital: check fuse.
Replace fuse.
Digital: check for flashing lights on control panel.
Press any switch on control panel.
Digital: check if elapsed timer is flashing.
Reset timer.
Analog: check if timer is in off position.
Set timer for continuous or timed
operation.
Analog: 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.
Analog: check for power to speed control.
Replace if defective.
Shaker won’t heat
Digital: make sure “HEAT ON” lamp is lit.
Push “HEAT ON” button.
