Instrument Hardware Errors (Continued)
Err 03 Indicates the instrument has lost its calibration. To continue
using the instrument in an uncalibrated state, press the Enter
key after the Error 03 message appears. The Error 03
message is not cleared and will be displayed again on power
up until the unit is calibrated.
Err 04 Indicates that the A/D converter is not communicating with
the microprocessor. This error is not correctable by the user.
Please contact the factory for instrument return information.
5.3.2 Limit Errors
Err 05 Input is at or under zero output.
Err 06 Input is at or over full scale.
Err 07 Temperature conversion is off the low end of the curve
Err 08 Temperature conversion is off the high end of the curve
Err 09 No curve is selected for the input.
5.4 OPENING THE ENCLOSURE
WARNING: To avoid potentially lethal shocks, disconnect the power
cord from the instrument before performing this procedure.
Only qualified personnel should perform this procedure.
REMOVAL
1. Disconnect the power cord from rear of unit.
2. If attached, remove from panel mount.
3. Use a Phillips screwdriver to remove the four flat-head screws from
the corners of the rear panel.
4. Slide out the PC board assembly. The rear panel is attached to the
PC board.
INSTALLATION
1. Slide the PC board assembly in from the rear of the chassis making
sure the keypad aligns with the holes in the front panel.
2. Use a Phillips screwdriver to install four flat-head screws in the corners
of the rear panel.
3 If required, replace the instrument in the panel mount opening.
4. Connect power cord to rear of the unit.
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