Dynamic DX Installation Manual

No. 60027, Issue 4. January 1998
8 Diagnostics56
Message Fault and Possible Cause
Steering Fault
Cause : 1. Position Sense Pot may have mechanical
fault such as the pot turning or the shaft
slipping.
2. Clutch may be slipping.
3. The steering may be excessively loaded.
4. Incorrect motor speed calibration.
Action : < Check the Position Sense Pot for mechanical
failure.
< Ensure that the clutch is properly engaged
< Ensure that there is nothing impeding the
movement of the steering wheels.
< Recalibrate SLM using an HHP.
Pot Wiper Voltage
Cause : 1. The Position Sense Pot Wiper may be open
circuit.
2. The Position Sense Pot Wiper may be
shorted to: a battery terminal, an end
terminal on the pot, the clutch switch, or a
motor terminal.
3. Faulty Pot.
Action : < Check for the above and repair if necessary.
< Check voltage on Position Sense Pot + end
terminal.
Pot Res Fault
Cause : 1. A Position Sense Pot end terminal may be
open circuit.
2. Any Position Sense Pot terminal may be
shorted to: a battery terminal, another
terminal on the pot, the clutch switch, or a
motor terminal.
3. Faulty Pot.
4. Incorrect setting of Pot End Min. Voltage
Or Pot End Max. Voltage
Action : < Check for the above and repair if necessary.
< Check voltage on Position Sense Pot + end
terminal.
< Correct programming and reprogram chair.
Motor O/C Fault
Cause : Servo motor or wiring may be open circuit.
Action : < Check motor and wiring.

Dynamic DX Specifications

General

Brand	Dynamic
Model	DX
Category	Network Router
Language	English