Troubleshooting - ATP ZX-1A Heated Pentode Manuel De L'utilisateur

Symptom
Power indicator LED
does not light (unit
does not switch on)
Top 5 LEDs flash Red
and pump does not
run
Audible alarm does
not sound even
though LEDs light
Unit behaves
erratically – alarms
in fresh air
Constant Power
Indicator flashes on
and off.
During battery
charging, the charge
indicator goes out
after 10 minutes
During battery
charging, the charge
indicator begins to
flash red.
Note 1: If an apparent malfunction of the instrument appears, remove and re-fit the battery.
Note 2: See page 15 for filter instructions.

TROUBLESHOOTING

Possible Cause
Batteries not charged
Failed sensor
MUTE feature
engaged,
Probe tip or flexible
probe loose – causing
disturbed airflow
Old Sensor Indication
Batteries have failed,
cannot be recharged
Batteries have failed,
cannot be recharged
19
Cure
Connect charger and
charge, see page 4.
Replace sensor as
described on page 13.
De-activate MUTE
feature, see page 8.
Tighten tip and/or probe.
Sensor may soon
require replacement.
Obtain replacement,
but it is not necessary
to replace before a
Failed Sensor
Indication is received,
See page 13.
Obtain replacement
battery pack, refer
to Replacement
Parts section for p/n.
Obtain replacement
battery pack, refer
to Replacement
Parts section for p/n.