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Triple Plus+ and Triple Plus+ IR Troubleshooting Guide
VI. Troubleshooting Guide
SYMPTOM DIAGNOSIS REMEDY/CHECK
Does not switch on Battery flat Recharge battery
Does not switch off OFF disabled Alter configuration*
No audible tick Tick disabled Alter configuration*
Alarm signals, no gas Alarm latched Reset with UNMARKED
button
Flashing red alarm,
Sounder silent
INST toxic alarm
accepted
Reset if possible, check
configuration*
Gas reading, no gas Zero drifted Zero instrument*
Unstable/inaccurate
reading
Sensor failed Recalibrate or replace
sensor*
Loading Defaults mes-
sage on display screen
Back up battery is dis-
charged
Recharge unit overnight
switched on in charger,
then re-configure and
recalibrate.
Short life from Li-ion
battery pack
Low voltage output
from battery on start-up
Charge fully before use.
*See SETTING UP or CONFIGURING THE INSTRUMENT VIA PORTABLES PC
** see MAINTENANCE AND CALIBRATION