Pump goes into
alarm when
filter/Probe is
attached
Filter is clogged. Replace filter.
Pump stall threshold is set
too low.
Pump stall threshold should be set when
extra filter or probe is attached. After
adding attachment, reset Pump Stall
Threshold on page 116.
Instrument
reads "No
Sensor Installed"
One sensor is "blanking"
out the others.
Turn off instrument, install sensors one at a
time to find defective sensor.
Instrument will
not stay on
Bad battery. Charge or Replace battery.
Low charged battery. Try alkaline adapter.
Bad PCB
Contact RMA Group or Authorized Service
Center to replace PCB.
Sensor fails
calibration
Old, low pressure, or
incorrect Calibration Gas.
Check gas and replace. Also check
regulator.
Bad sensor. Replace sensor, try known good sensor.
Bad pump.
Contact RMA Group or Authorized Service
Center to replace pump.
Error 4008
Firmware upgrade was
done incorrectly.
Sensor firmware must be sent first,
Application should be sent second. See
instructions on page 105.
Calibration
option is not
available when
entering
Programming
Sensors have not had
enough time to warm up.
Allow PID & LEL more time to warm-up.
Error 2001:
Failed to turn on
lamp
Lamp is dirty. Clean lamp.
Lamp is cold and needs
time to warm up.
Turn unit off and turn it back on again.
Lamp is old and needs
replacing.
Replace lamp, if this does not work, return
unit to RMA Group for service.
Pump does not
turn on
Battery charge is too low. Replace battery.
Pump is bad. Replace Pump.
Pump does not
stall when inlet
is blocked
Filter is cracked or has leak. Replace filter.
Pump stall threshold is set
too high.
Reset pump stall threshold.
Reading on the
sensors in Fresh
Air.
Filter may be dirty. Replace Filter.
Instrument has not been
Fresh Air Calibrated.
Perform Fresh Air calibration.
Buttons do not
respond
Buttons may not be
connecting to PCB.
Replace front Housing.
PCB may be bad.
Contact RMA Group or Authorized Service
Center to replace PCB.
Error 3003
Pump is not making good
connection to PCB.
Contact RMA Group or Authorized Service
Center to replace Back Gas Plate.
TH Sensor is bad.
Error 4003
There is a problem with the Contact RMA Group or Authorized Service
Honeywell MultiRAE Series™ 156 User Manual