Invacare R121 ユーザーズマニュアル

TROUBLESHOOTING

SYMPTOMS

FAULTS

SOLUTION

Patient lift feels loose.

Mast/base joint loose.
Tie - Rods are loose.

Refer to Installation on page 17.
Refer to Maintaining the Base Adjustment on 
page 39.

Casters/Brakes noisy or stiff.

Fluff or debris in bearings.

Noisy or dry sound from pivots.

Needs lubrication.

Actuator fails to lift or legs fail to 
open when button is pressed.

Hand-control or actuator con-
nector loose.

Battery low.

RED emergency stop button 
pressed IN.

Battery not connected prop-
erly to control box.

The connecting terminals are 
damaged.

Boom or leg actuator in need 
of service or load is too high.

Charge batteries. Refer to Charging the Battery 
on page 24.

Rotate RED emergency stop button CLOCK-
WISE until it pops out. 

Reconnect the battery to the control box. Refer 
to Charging the Battery on page 24.

Replace the battery pack. Refer to Charging the 
Battery on page 24.

Refer to Replacing the Boom Actuator on page 37 
or Installing the Leg Actuator to the Base on 
page 19. Contact your dealer.

Unusual noise from actuator.

Actuator is worn or damaged 
or spindle is bent.

Refer to Replacing the Boom Actuator on page 37 
or Installing the Leg Actuator to the Base on 
page 19. Contact your dealer.

Lift arms will not lower in upper-
most position.

Lift arms require a minimum 
weight load to lower from the 
uppermost position.

Pull down slightly on the lift arms.

Lift arms will not lower during a 
power retraction.

Shoulder bolt at the junction of 
the boom and mast may not be 
properly installed.

Refer to Checking and Tightening Mast Pivot Bolt 
on page 38.