56
9
9
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&
&
A
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9.1
Troubleshooting
If any problems occur with your shaker, do not attempt to perform any service on the unit
other than specified in this manual. Unauthorized servicing may void the warranty.
Please contact your local NBS Customer Service Department
In any correspondence with NBS, please refer to the model number and serial number of
your unit. This information is on the electrical specification plate, located on the rear
panel of the unit, above the power connector.
There are some problems, however, that you can investigate and correct yourself. Refer
to the following Troubleshooting Guide:
Symptom(s)
Probable Cause(s) & Solution(s)
No power; display is not on; power cord is not plugged in and/or
power switch is off: plug in power cord (to working electric
outlet), and turn on power switch.
Lid is open—look for Open Lid icon on display: close the lid
firmly.
Lid is closed but Open Lid icon is on display: lid switch is
broken; call for service.
On/Off switch is not working: call for service.
Fuse(s) burned out: check and replace as needed.
Shaking speed has been set to Zero by program running (look
for Run icon in display) or by computer interface: reset shaking
speed.
Defective main board: call for service
Defective display controller board: call for service.
Jammed shaking mechanism: call for service
Defective motor: call for service
Shaker does not run.
Drive belt out of alignment or worn: call for service.
Fuse(s) burned out: check and replace as needed.
Incorrect speed calibration: recalibrate shaking speed.
Defective main board: call for service.
Defective motor: call for service.
Shaker runs slowly
and/or no speed
indication.
Drive belt out of alignment or worn: call for service.
...continued...
Innova 43 & 43R Incubator Shakers M1320-0050
User’s Guide
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