GB
AM x-10 E1
11.6 Contrast
The contrast can be adjusted to a setting be-
tween -90 and 150. The setting takes effect
immediately.
11.7 Viewing alarms
The last 30 alarms can be viewed in this
menu.
Each fault is displayed together with an
alarm number, operating hour and minute,
pressure, temperature and fault description.
Press the T2 and T3 buttons to scroll through
the alarms. The most recent alarm is dis-
played first. Example:
11.8 Version and serial number
The version and serial number of the control
system are displayed in this menu.
12 Faults
The compressor switches off when a fault is
detected. L1 flashes in 500 ms cycles until
the fault is rectified. Press T5 to acknowledge
a rectified fault. Unacknowledged faults are
still displayed.
12.1 Rot. direction fault
Have a trained and qualified electrician check
and modify the phases of the power supply,
if necessary.
6
12.2 Temperature sensor faulty
Have a trained and qualified electrician re-
place the temperature sensor.
12.3 Maximum oil temperature 110 °C
Possible causes:
1. Ambient temperature too high
2. Oil/air cooler clogged
3. Ventilator dirty/faulty
4. Insufficient oil
Remedy:
1. Reduce ambient temperature (see Fig.
1a for maximum value).
2. Clean the oil/air cooler.
3. Clean the ventilator. Have a trained and
qualified electrician replace the faulty
ventilator.
4. Check whether any oil is leaking. Top up
oil.
12.4 Minimum oil temperature -10 °C
Possible causes:
• Ambient temperature too low
Remedy:
• Increase ambient temperature (see Fig. 1a
for minimum value).
12.5 Motor protection tripped
Contact your service partner.
12.6 Pressure sensor faulty