Renfert MT premium Instrucciones Originales página 24

7 Troubleshooting
Error
en
Unit does not start.
Trimmer disc wob-
bles.
The trimmer disc
makes noise while
running.
Model table wob-
bles / is loose.
Trimmer disc be-
comes clogged.
Water sprays from
the trimming open-
ing.
No rinsing water.
Water is leaking
between the front
cover and housing.
Cause
Mains power supply not available�
Mains fuse is faulty�
The trimmer door is not properly
closed�
Motor overheated�
The trimmer disc is not placed flat on
the flange.
Fastening screw (16, Fig� 1, 8) not
sufficiently tightened.
Fastening screw (16, Fig� 1, 8) not
sufficiently tightened.
Model table not correctly attached�
The water quantity for the unit is not
correctly regulated�
Insufficient water supply.
Aqua stop closed�
Spray tube is blocked�
Water connection sieve is blocked�
Spray tube seal is missing�
Spray tube is missing�
The water pressure in the supply pipe
is too low�
Too much water�
Drainage not fully guaranteed�
Water connection is not correctly
installed�
Aqua stop closed�
Spray tube is dirty / calcified.
Plaster dust or plaster grit on the
surface of the seal�
Corrective action
Check the mains power supply�
Check the mains fuse�
Close the door locks (6, Fig� 1, 8)�
Allow the motor to cool for approx� 60 minutes�
Press the power switch again�
If necessary, check in the meantime whether
the thermal protection has cooled down again�
Attach the trimmer disc again in accordance
with the instructions (see Chap� 5�4)�
Pay attention to exact positioning of the trimmer
disc with regard to the lock pins (17, Fig� 9!)
Remove deposits and dirt from the back of the
trimmer disc and the flange.
Securely tighten the fastening screw (16, Fig�
1, 8)�
Tighten the fastening screw (16, Fig� 1, 8)
securely and attach again if necessary
(Chap� 5�4)�
Press the model table fully onto the ball head�
Increase the amount of water for the trimmer
(Chap� 5�2)�
Open the water shut-off valve of the water sup-
ply (Chap� 5�2)�
Open the aqua stop for the water supply�
Clean / descale the spray tube (Chap� 6�4)�
Clean the water connection sieve (Chap� 6�5)�
Check whether the spray tube seal is available�
Insert the spray tube�
The cross section of the supply pipe is too
small or there are too many consumers using
a narrow supply pipe. >>> Check whether the
water pressure in the supply pipe is at least 1
bar (ask the installation technician)� If neces-
sary, increasing pressure artificially by installing
a domestic water pressure system (electrical
pump with pressure tank) can ensure appropri-
ate pressure in the pipe�
Reduce the amount of water for the trimmer
(Chap� 5�3)�
Check the drain hose, lay at an incline
(Chap� 4�2�2)�
Check the water connection (Chap� 4�2�1)�
Open the aqua stop for the water supply�
Clean / descale the spray tube (Chap� 6�4)�
Clean the seal and the surface of the seal�
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