2.2 Control Box Malfunction
Chapter 2: Troubleshooting Procedures
TRANS
l
LIFT
TM
Resident Stand Assist Service Manual (man173)
Page 2 - 13
2
2.2
Control Box Malfunction
1. Firmly attach a new or freshly charged battery to the top of the control box,
and securely clamp the battery to the column mounting post (refer to
procedure 4.8).
2. Press the emergency stop button on the control box, then press either the up
(
⇑)
or down (
⇓)
button on the handset pendant.
The lift arm does not move.
Yes
No
↓
→
The lift arm does move. Replace the control box (refer to
procedure 4.9). If this solves the problem, go to “Final Actions”
on page 2-9. If not, continue with step 3.
3. The handset pendant is firmly plugged into the bottom of the control box.
Yes
No
↓
→
Properly align the handset pendant plug and insert it firmly into
the bottom of the control box. If this solves the problem, go to
“Final Actions” on page 2-9. If not, continue with step 4.
4. The actuator cable is firmly plugged into the bottom of the control box.
Yes
No
↓
→
Insert the actuator cable plug firmly into the bottom of the
control box. If this solves the problem, go to “Final Actions” on
page 2-9. If not, continue with step 5.
5. Press either the up (
⇑)
or down (
⇓)
button on the handset pendant.
The lift arm moves in the appropriate direction while the emergency stop
button is engaged.
Yes
No
↓
→
6. Replace the control box (refer to procedure 4.9), then go to “Final Actions”
7. Turn the emergency stop button clockwise to release it, and press either the
up (
⇑)
or down (
⇓)
button on the handset pendant.
The lift arm moves smoothly in the appropriate direction.
Yes
No
↓
→
Replace the control box (refer to procedure 4.9), then go to
“Final Actions” on page 2-9
