FRESENIUS MEDICAL CARE
MEDICAL TREATMENT CHAIR
INSTRUCTION MANUAL - T688 Series
Page 9 of 20
IFU T688 EN V7 Apr 2021
3.3.2 Programming Instructions
This can only be done using the nur
se’s hand control. A maximum of three
positions may be programmed into the memory as follows:
1. Position the chair to the desired position using the up & down arrows for
the backrest, whole chair and leg rest.
2. When the chair is in the desired position, hold down the S (store) button
for five seconds until beep sounds.
3. Once the beep is sounding, select one of the numbers, 1, 2 or 3 and
press it within two seconds to store the pre-programmed position.
3.3.3 Recalibration
If there is a loss of feedback from any of the
actuators, a ‘position lost’ beep will be heard from
the control box when any button is pressed.
Recalibrate
T688 Series
Chair as follow
s using the nurse’s hand control:
➢
Stage 1
– Clear System Faults
Press both of the Up and Down arrow buttons of the seat height function simultaneously. If
successful a constant beeping will be heard. Hold until the beeping stops (approximately five
seconds). NOTE: Both buttons must be activated at exactly the same time. If beeping does not
start, repeat until successful.
➢
Stage 2
– Initialise the System (Process 1)
Press both of the Up and Down arrow buttons for the Backrest function simultaneously and hold
until all the actuators have stopped moving. This will drive the Backrest actuator into the fully
retracted (down), the Leg Rest actuator into the fully retracted (down) position and the Height
actuator into the fully retracted (down) position. When completed the system will beep twice to
confirm.
Note: If the system does not beep twice when all of the actuators have stopped, please contact
Fresenius Medical Care or your local representative for further assistance.
If the chair does not respond to
Process 1
, please follow the instructions below
(Process 2).
➢
Stage 2
– Initialise the System (Process 2)
Press and hold t
he “Backrest Down” button. Hold the button for one second after the actuator has
stopped moving.
Press
the “Height Down” button. Hold the button for one second after the actuator has stopped
moving.
Press the “Leg Rest Down” button. Hold the button for one second after the actuator has stopped
moving.
Note:
The chair’s positions can be reprogrammed via the nurse hand control. Refer to
instructions in section 3.3.2.
