2004 Wheaton Science Products
29
P/N 50083244
Specifications subject to change without prior notice
9.5
Troubleshooting
Unit will not operate:
Cause:
On/off power switch in “off” position, or unit
unplugged.
Remedy:
Turn on the power switch on the rear of the unit or
plug into receptacle.
Cause:
Fuse blown.
Remedy:
Replace fuse with proper size and type. (see fuse
replacement)
Cause:
Supply voltage low or at zero.
Remedy:
Check house receptacle with a voltmeter.
Cause:
Motor defective.
Remedy:
Replace defective motor.
Cause:
Display board defective.
Remedy:
Replace defective board
Cause:
Motor sounds from cabinet but no stirring (four place)
Remedy:
Belt loose or broken. Replace belt.
9.6
Fuse Replacement (see figure A)
DANGER! BE CERTAIN UNIT IS DISCONNECTED FROM THE AC POWER
SOURCE.
1. Disconnect unit from the AC power source.
2. Locate the fuse holder on the rear of the unit.
3. Use a flat blade screwdriver to remove the fuse carrier and remove the fuse.
4. Replace with new fuse. See specification for proper rating.
