INFICON D-TEK Select Refrigerant Leak Detector - Manual (Page 9)

9
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.
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.
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.
2e) User may be
working with R-11. 2e) This refrigerant is only
detectable if the leak is quite
large. INFICON will take the
unit back if this is a problem.