Hobart AMXXT Series Installation & Operation Manual page 17

TYPE OF FAILURE
Poor wash result
Dishes or glasses
do not dry properly.
Stripes and stains on
dishes or glasses.
Other malfunctions
Glasses are totally or
partially cloudy.
Glass breakages.
Machine suddenly stops
during wash programme.
If no button will be pressed during 6 hours, the machine switches off automatically without draining.
Follow the description below during the next switch on:
– Push the ON/OFF-button
– Push the Drain-button
Restart the machine as described at chapter 7.
POSSIBLE CAUSE
Rinse aid concentration too low.
Dishes still greasy.
Rack is not suitable for type of dishes
(sloping).
Dishes stay too long in the machine
at the end of programme.
Rinse aid concentration too high.
Hard water or high mineral content.
Rack is not suitable for type of dishes
(sloping).
Insufficient rinse aid concentration
causes stains.
Machine with softener:
wrong type of salt used.
Surface of glasses is rough and
porous, this is called glass corrosion.
Use of inappropriate dish or glass
racks.
AUXXT models only:
High pressure cleaning had been
activated.
Machine is connected to a "maximum
power supply unit" which cuts out the
energy consumer at a given point, or
machine is interlocked with another
energy consumer unit.
Blown site fuse.
➀
.
➂
and wait, until the machine is drained and switched off.
REMEDY
Increase concentration (see operating
instructions).
1. Detergent concentration too low: increase
(see instructions).
2. Check if detergent is appropriate. If not choose
a stronger one.
3. Drain soiled water and refill machine.
Check pre-scrapping procedure.
Use appropriate racks to create a sloping position
which allows water to drain away from cavities.
Take out dishes as soon as cycle is completed
to enable them to dry.
Reduce quantity (see instructions).
Check water quality.
Obtain details from local water authority.
Recommended values:
Ideal degree of hardness is 4° Clark.
Ideal conductivity value for glasses is max.
150 µS/cm and for dishes max. 400 µS/cm.
Use appropriate racks to create a sloping position
which allows water to drain away from cavities.
Increase quantity (see instructions).
Use only granular salt.
This is not caused by a malfunction on the
machine. Replace with new glasses.
Use appropriate racks.
Never use high pressure cleaning for glasses
and light dishes.
Connect machine separately (call electrician).
Check site fuses.
17