Heath Consultants Hi Flow Sampler - Manual (Page 55)

Hi Flow

Sampler Troubleshooting
Instruction 0055-9017 55
5 Troubleshooting
5.1 Instrument Repair
It is recommended that field repair of the Hi Flow  Sampler be limited to:
• Cleaning gas-inlet screen
• Replacing internal filters
• Replacing sensors
• Replacing sensor assembly pump
• Simple checks of printed circuit board connectors
All other repairs should be performed by an authorized Bacharach Service Center. Any
repairs performed by an unauthorized service organization will void the instrument’s
warranty and release Bacharach, Inc. of any implied or written product liability.
Before returning an instrument for repair, you may be able to determine and resolve a
problem using the Troubleshooting Guide in Section 5.2.
5.2 Troubleshooting Guide
The following table lists the causes and remedies for most of the problems that may
arise with the instrument.
If none of the suggested remedies resolves the problem, or for help with any problem
that is not listed, contact one of Bacharach Service Centers listed in Section 6.3.
TABLE 5-1. TROUBLESHOOTING GUIDE
6 Symptom 7 Probable Cause & Remedy
Instrument completely
nonfunctional; won’t turn ON
when the I/O ↵ key is pressed.
a. Battery pack dead. Recharge battery pack per Section 4.2.
b. Loosen battery connector. Remove the instrument’s cover and ensure
that all wires are attached to the battery connector, and that the
connector is securely attached to the printed circuit board.
c. Microprocessor needs to be reset. Disconnect battery pack for several
seconds.
Display freezes during start up. Battery pack voltage low. Recharge battery pack per Section 4.2. For users
in cold climates, take the instrument inside a room at 70 degrees F until
the LCD becomes readable. After that, use in 15-20 minute intervals when
in a 0 degree F environment and alternating in warm environment to keep
LCD Fluid.
Instrument turned itself OFF
during operation.
Battery pack dead. Recharge battery pack per Section 4.2.
“Low Battery” message appears
at bottom of display.
Battery voltage is below 4.0 volts. Recharge battery pack per Section 4.2.
Instrument won’t respond when a
control unit key is pressed.
Microprocessor needs to be reset. Disconnect battery pack for several
seconds.