Troubleshooting Guide - Crowcon Triple Plus+ User Manual

Triple Plus+ and Triple Plus+ IR
VI. Troubleshooting Guide
SYMPTOM
Does not switch on
Does not switch off
No audible tick
Alarm signals, no gas
Flashing red alarm,
Sounder silent
Gas reading, no gas
Unstable/inaccurate
reading
Loading Defaults mes-
sage on display screen
Short life from Li-ion
battery pack
*See SETTING UP or CONFIGURING THE INSTRUMENT VIA
** see MAINTENANCE AND CALIBRATION
DIAGNOSIS
Battery flat
OFF disabled
Tick disabled
Alarm latched
INST toxic alarm
accepted
Zero drifted
Sensor failed
Back up battery is dis-
charged
Low voltage output
from battery on start-up

Troubleshooting Guide

REMEDY/CHECK
Recharge battery
Alter configuration*
Alter configuration*
Reset with UNMARKED
button
Reset if possible, check
configuration*
Zero instrument*
Recalibrate or replace
sensor*
Recharge unit overnight
switched on in charger,
then re-configure and
recalibrate.
Charge fully before use.
PORTABLES PC
21