What To Do In The Event Of A Fault - Invacare PHOENIX PLUS Service Manual

- Digital motor control
- Built-in diagnostics with fault display and fault logging
- Complies with ISO7176, part 14 when correctly installed
- Load compensation (described below)
SAFETY AND PROTECTION FEATURES
The DL has the following safety and protection features:
- Soft top or controlled speed reduction to a stop if a fault is detected or the controller
switched off
- Protected against external faults such as reverse battery connection, overloaded motors or
park brakes and external short circuits
- Joystick out of neutral at power up detection with drive inhibit.
- Over voltage shut down
- Detection of open circuit motors
- Detection of open or short circuit park brake outputs
- Battery under voltage protection with "battery saver" to prevent battery damage through
over discharge
- Thermal overload protection with progressive motor current roll back and automatic
recovery
- Driving inhibit when a battery charger is connected to the built-in charger socket
THE BATTERY DISCHARGE INDICATOR
The three colour Battery Gauge gives an indication of the amount of charge in the batteries.
The display also provides an on or off status indication for the controller and diagnostic
information in the event of a fault. (Diagnostics are described in section 8)

WHAT TO DO IN THE EVENT OF A FAULT

SYMPTOM
ON/OFF button pressed to ON,
lamp does not light up wheelchair
does not move
ON/OFF lamp lights up, wheelchair
does not move or behaves erratically,
controller is hard to click
Battery Charge indicator flashing slowly,
wheelchair moves, but with reduced speed
and sluggish response.
Battery Charge indicator flashing quickly
(twice per second) wheelchair not moving
Phoenix
11/01
CHECK/ACTION
Is the main cable loom plug properly inserted
into the rear of the controller?
Are the batteries completely flat?
Have you left the battery charger plugged in?
Are one or both motors disengaged
(freewheel mode)?
Are the batteries discharged to the critical
level?
Are the batteries discharged below the critical
safety level?
Are the batteries overcharged (charger fault)?
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