Troubleshooting Guide
Problem
1) All yellow lights
flashing together.
2) Will not detect CO
Cause
1a) IR sensor cell has
become unseated.
1b) IR sensor cell has
failed.
.
2a) Unit may not be
2
warmed up and
ready to use.
2b) Pump may have
failed.
2c) Filter cartridge
may be clogged,
preventing air and
refrigerant from
passing into IR cell.
2d) Battery may be
dead.
1a) Remove sensor access
door and push both ends of
sensor down. (Do not
remove/reinsert sensor cell.)
Restart unit and examine.
1b) Replace with new IR cell.
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) 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) Replace used filter
cartridge with a new one.
2d) See #3 below.
11
Remedy