INFICON Sensistor ISH2000 Hydrogen Leak Detector - Manual (Page 75)

EN- 75 Sensistor ISH2000 Technical Reference Manual (TRM)
D 200
Short operating time on
battery model Old or broken battery Replace the battery
The time and dates resets
at restart The clock battery is empty Replace the clock battery
on the Main PCB
Settings lost on restart The main PCB Memories
broken (Flash Memories) Replace the Main PCB
Low or no gas sensitivity Old or broken gas sensor Replace the gas sensor
Probe PCB broken Replace Probe PCB
Fault symptoms Fault Measures