Troubleshooting - Grindmaster Crathco MG235-2B Operation And Instruction Manual

Troubleshooting Guide (cont'd)
Problem
Product is leaking from the
dispensing valve
Product is flowing into drain tray
through drainage tube
The auger and/or the upper mixing
unit is not turning
The auger and/or the upper mixing
units are creating noises as they
rotate
There is no light in the
merchandising lid or rear
merchandising panel
The cover does not fit properly on
the bowl
"Filtr" or "Err" message appears on
the touchpad LED readout
If you still need help, call our service department at (800) 568-5715 Ext. 3 (Monday through Friday, 8 am - 6 pm EST)
or an authorized service center in your area. Please have the model and serial numbers ready so that accurate infor-
mation may be given.
Prior authorization must be obtained from Grindmaster Corporation's Technical Services Department for all warranty
claims.
Page 18
Possible Cause
• The dispensing valve has been incom-
pletely or incorrectly replaced in its
position
• The free movement of the dispensing
valve is impeded
• Dispensing valve o-rings are damaged
• The bell shaped "shaft" seal between
the front of the cylinder and the auger
hub has not been reinstalled properly
• The bell shaped "shaft" seal or the
spindle bushing seal is damaged or
worn
• Auger not turned on
• Some electrical connections are not
complete
• The gear motor(s) are malfunctioning
• The large red bowl seal is not in
position, causing the gear teeth not to
mesh
• The product brix is incorrect
• The bell shaped "shaft" seal has been
replaced without lubrication or is dam-
aged
• The auger has been incompletely or
incorrectly reassembled (ie the
auger's gear pins are not properly
seated)
• The light bulb is burnt out
• The 5 Amp fuse between the trans-
former and the lamp is blown
• The transformer is blown
• The bowl is incorrectly positioned (the
lower, outside corner is not over the
lower, outside base piece)
• The filter is dirty and needs to be
cleaned
• The unit is positioned too close to a
wall or other object restricting air flow
and causing the machine to run at a
higher temperature
• The filter is not properly installed
• The unit has been installed near a
heat source, such as a coffee
machine, ice maker or cold beverage
machine which expels hot air from its
vents, causing the machine to run at a
high temperature. (Installation near a
heat source should be avoided)
Solution
• Reassemble and replace
• Clean and lubricate the valve and
valve cylinder with the lubricant pro-
vided with the machine
• Replace the o-rings
• Find the seal and put it back in place
• Replace the damaged/worn seal and
check the condition of the driveshaft.
• Turn auger on
• Check the contacts and correct the
ones that are incomplete
• Replace the gear motor(s)
• Check and correct
• Check the product brix and correct
• Replace or Clean and lubricate with
the lubricant provided with the
machine
• Check and correct
• Replace (See "Changing the lightbulb"
section in this manual)
• Replace
• Replace
• Remove bowl and position properly
• Clean and replace filter following
instructions on page 11 (Removing
and Cleaning Filter)
• Reposition unit to maximize ventilation
space (see page 2 - installation figures)
• Properly install filter see "Removing and
cleaning filter" page 11
• Reposition unit to maximize ventilation
space (see page 2 - installation figures)
G & MG Series Granita Machine