User Manual

18 • Maintenance Model GD-K11D Operator’s Manual
Troubleshooting
The troubleshooting table describes error messages, symptoms, probable causes, and
recommended action for problems you may encounter with the Model GD-K11D.
Replacing Components
The section includes procedures to replace the sensor, pump, and fuse.
Replacing the sensor
This section includes procedures to remove the sensor, install the replacement sensor,
enter the new K number, and set the zero reading.
Removing the sensor
1. Loosen the thumbscrew at the top of the housing.
2. Rotate the housing cover toward the bottom of the housing to gain access to the
interior of the Model GD-K11D.
3. Place the power switch in the OFF position.
Table 8: Troubleshooting the Model GD-K11D
Symptoms Probable Causes Recommended Action
• E-00 on display screen • Memory error 1. Contact RKI Instruments, Inc.
• E-01 on display screen
• PW/TR light is flashing
• Output is 0.5 mA
• Sensor is disconnected 1. Verify that the sensor connector is
securely connected to the sensor.
2. Calibrate the sensor.
3. If difficulties continue, contact RKI.
• E-05 on display screen
• PW/TR light is flashing
• Output is 0.5 mA
• Low flow light is on
• Flowmeter indicates low
flow rate
• Sample line is
obstructed
• Pump is disconnected
• Pump is failing
1. Set the correct flow rate with the flow
adjust valve.
2. Check the sample line for obstructions or
kinks.
3. Verify that the pump connector is
plugged into the pump socket (PUMP).
4. If difficulties continue, contact RKI.
• E-06 on display screen • Communication error 1. Verify that wiring to the 4-20mA output
terminales is correct.
2. If difficulties continue, contact RKI.
• Unable to zero or span
reading during
calibration
• Calibration cylinder is
low, out-dated, or
defective
• Sample line is
obstructed
1. Verify that the calibration cylinder
contains an adequate supply of a fresh
calibration sample.
2. If necessary, set the correct flow rate with
the flow adjust valve.
3. If you cannot set the correct flow rate,
check the calibration tubing for
obstructions or kinks.
4. If difficulties continue, contact RKI.
• Display screen does not
indicate gas reading
• Model GD-K11D is in
maintenance mode
1. Verify that the INT switch is in the “0”
position. Adjust the switch if necessary.
2. Press the MODE button until the normal
screen appears.
• on display screen • Abnormal indication
• LCD (display) not
working
1. Set the sensor’s zero reading as described
on page 11.
2. If difficulties continue, contact RKI.