25
3
Design and Function
13 . Malfunctions:
Message
Cause
Action
Torque or rotation angle value alter-
nating with N.O.K.
The applied torque or rotation angle
value was not within the target value
tolerance. The torque or actuation
angle value was too high. The third
or fourth signal levels were activated
during operation.
Proceed according to the instructions
for such screwing incidents: for exam-
ple, loosen the screw and tighten it
again, or replace it with a new screw.
Reduce the actuating force. Pay
attention to the actuation speed and
the signal levels. Operate the torque
wrench with built-in angle gauge in
such a way that you remain within the
second signal level.
The fourth signal level with continuous
red light, continuous audible signal
and continuous vibration is triggered.
The following message appears:
"Error"
The applied torque exceeded the
maximum permissible torque range
of the torque wrench with built-in
angle gauge.
If you reach the fourth signal level, you
must interrupt the screwing process
immediately. Non-compliance can
damage or destroy the torque wrench
with built-in angle gauge. Confirm the
message by simultaneously press-
ing and . Switch off the torque
wrench with built-in angle gauge
using and and switch it back
on using and
Flashing battery symbol
The batteries or rechargeable cells are
discharged.
Do not use the torque wrench with
built-in angle gauge any further.
Replace the batteries or rechargeable
cells. See Item 7 Commissioning
The rotation angle measurement/dis-
play does not continue to increase
during operation and/or drops briefly.
The joint torque was exceeded at the
start of the thread and/or operation,
which activated the joint angle meas-
urement. Further rotation will bring the
torque below the previously reached
joint torque. This can happen if the
thread is damaged or soiled.
Proceed according to the instructions
for such
screwing incidents: for example, loos-
en the screw and tighten it again, or
replace it with a new screw. If neces-
sary, clean and/or re-cut the thread
The rotation angle was not measured
and/or displayed
The screw is now so firmly inserted
that it will no longer rotate. This can
happen if the screw has been inserted
for example with an impact screw-
driver
Proceed according to the instructions
for such
screwing incidents: for example, loos-
en the screw and tighten it again, or
replace it with a new screw
14 . Spare Parts
• Allow all service or repair work to be carried out by qualified personnel only. To do this, please get in touch with
the HAZET Service team.
• Only the original HAZET spare parts should be used.
• Unsuitable or defective spare parts may cause damage to, or malfunction or total failure of the tool.
• The use of non-approved spare parts will void all warranty, service and liability claims as well as all claims for
compensation against the manufacturer or its agents, distributors and sales representatives.
• Batteries (rechargeable or otherwise) which are discharging must be replaced simultaneously as required, in a
timely fashion. Only use batteries or cells of the same type. Note the direction of insertion.
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