Troubleshooting - Invacare RHL450 Manual Del Operador

2. With the Reliant Scale on, remove the four screws on the back of the enclosure and
remove the front cover to expose the PC board.
3. Press the CAL button located on the PC board. The CAL switch is not labeled but is
the only button on the PC board located in the lower right corner. Once the CAL
button is pushed ʺCAL1ʺ will be seen in the display window.
NOTE: CAL1 selects the calibration mode using 50 pounds of calibrated weight. CAL2 selects the
calibration mode for use with 200 pounds of calibrated weight. Pressing the UNITS key toggles
between CAL1 and CAL2.
4. When the desired calibration mode is displayed, press the LOCK/UNLOCK key.
NOTE: The display window will now show UnLd.
5. Ensure that there is no load on the scale and press the ZERO key.
6. The display window will show a dashed line (‐‐‐‐‐‐) scrolling across and then the word
LOAD will appear in the display window.
7. Perform one of the following:
A. FOR CAL1 OPTION ‐ support 50 pounds of calibrated weight from the scale and
press the ZERO key.
B. FOR CAL2 OPTION ‐ support 200 pounds of calibrated weight from the scale and
press the ZERO key.
8. The display window will show a dashed line (‐‐‐‐‐‐) scrolling across and then the word
DONE will appear in the display window.
9. Remove the weight from the scale and press the LOCK/UNLOCK key.
NOTE: The unit will now be in a temporary test mode and will not lock the weight display. This
will allow weight to be loaded and unloaded to check the calibration.
10. Turn the unit off by pressing the ON/OFF key.
11. Turn the unit on by pressing the ON/OFF key.
NOTE: Scale will now be in normal operation.

Troubleshooting

SYMPTON
Unit does NOT work properly.
Battery has been replaced and unit
still does NOT work properly.
Part No 1078987
PROBABLE CAUSE
Battery failure.
47
SOLUTIONS
Check battery. Replace if necessary.
Contact Invacare for Service at 1-800-333-
6900
Manual/Electric Portable Patient Lift
ACCESSORIES