11
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 IR cell.
2) Will not detect CO
2
.
2a) Unit may not be
warmed up and
ready to use.
2a) Verify unit is beeping and
no yellow lights are flashing.
(Single green light flashing
while unit is beeping is OK.)
If yellow lights are scrolling
across, wait 90 seconds and
see if the unit starts to beep. If
not, contact INFICON.
2b) Pump may have
failed.
2b) You should hear the pump
running after the D-TEK CO2
has completed its warm up
sequence and is held up to
your ear. VERIFY it is not a
low battery condition (see
#3). If not, contact INFICON.
2c) Filter cartridge
may be clogged,
preventing air and
refrigerant from
passing into IR cell.
2c) Replace used filter
cartridge with a new one.
2d) Battery may be
dead.
2d) See #3 below.
