iTEMP TMT71
Diagnostics and troubleshooting
Hauser
37
9
Diagnostics and troubleshooting
9.1
General troubleshooting
Always start troubleshooting with the checklists below if faults occur after startup or
during operation. The checklists take you directly (via various queries) to the cause of the
problem and the appropriate remedial measures.
Due to its design, the device cannot be repaired. However, it is possible to send the
device in for examination. See the information in the "Return" section. → 43
General errors
Problem
Possible cause
Remedy
Device is not responding.
Supply voltage does not match the
voltage specified on the nameplate.
Check the voltage at the transmitter
directly using a voltmeter and correct.
Connecting cables are not in contact
with the terminals.
Ensure electrical contact between the
cable and the terminal.
Electronics unit is defective.
Replace the device.
Output current < 3.6 mA
Signal line is not wired correctly.
Check wiring.
Electronics unit is defective.
Replace the device.
Check display (optional in conjunction with head transmitter)
Problem
Possible cause
Remedy
Display is blank
No supply voltage
• Check the supply voltage at the head
transmitter, ter and -.
• Ensure that the display module
holders are correctly seated and that
the display module is properly
connected to the head transmitter,
→ 12.
• If possible, test the display module
with other suitable head transmitters,
e.g. an Hauser head
transmitter.
The display module is defective.
Replace the module.
The electronics of the head
transmitter are defective.
Replace the head transmitter.
Local error messages on the display
Error messages in the configuration software
