Troubleshooting Guide
Problem
Cause
Remedy
1) All yellow lights
flashing together.
1a) IR sensor cell has
become unseated.
1a) Remove sensor access
door and push both ends of
sensor down. (Do not
remove/reinsert sensor cell.)
Restart unit and examine.
1b) IR sensor cell has
failed.
1b) Replace with new sensor,
part number 712-701-G1.
2) Will not detect
refrigerant.
2a) Unit may not be
warmed up and
ready to use.
2a) If yellow lights are
scrolling, wait 90 seconds to
see if the unit starts to beep
and the lights stop scrolling. If
not, contact INFICON.
2d) Battery may be
dead.
2d) See #3 below.
2c) Filter cartridge
may be clogged,
preventing air and
refrigerant from
passing into IR cell.
2c) Replace used filter
cartridge with a new one.
2b) Pump may have
failed.
2b) You should hear the pump
running after the warm up
sequence is completed.
VERIFY it is not a low battery
condition (see #3). If not,
contact INFICON.
2e) User may be
working with R-11.
2e) This refrigerant is only
detectable if the leak is quite
large.
3) After warm up
sequence the green,
the last yellow and the
amber charging LEDs
flash.
3a) Battery needs
recharging.
3a) Charge battery for 10-12
hours.
3b) Power stick has
failed.
3b) Replace power stick with
part #712-700-G1.
4) Pump is not
working.
4a) Pump has failed.
4a) See 2d.