38
Service Manual – SW5500, FLOORTEC R 985
05 - Control System
Main Machine Controller Alarm Codes (Continues)
Drive system alarms
CODE - Description
(shown on multifunction display)
Condition
Effect
Service Suggestions
TR AL.8
WATCHDOG
Issue internal to the drive
board.
Drive operation blocked
Switch off and on the machine
by key switch (KEY).
If persists, replace the Main
Machine Controller.
TR AL.13
EEPROM KO
Issue internal to the drive
board.
Drive operation blocked
Switch off and on the machine
by key switch (KEY).
If persists, replace the Main
Machine Controller.
TR AL.17
LOGIC FAILURE #3
Motor circuit fault (internal to
Drive Wheel Controller (EB2))
Drive operation blocked
TR AL.62
Replace the Main
Machine Controller.
TR AL.18
LOGIC FAILURE #2
Motor phase voltages alarm on
starting
Drive operation blocked
Check the wires from the Drive
Wheel Controller (EB2) and the
drive system motor (M0). Check
for any short of the cables to +
BATT. It's could be generated
switching on the machine
douring movement.
TR AL.19
LOGIC FAILURE #1
Battery voltage below 9.0V or
above 35.0V
Drive operation blocked
Check the battery voltage and
the battery connections.
TR AL.30
VMN LOW
Low voltage on motor phases
Drive operation blocked
Check the battery voltage or
substitute the Drive Wheel
Controller
TR AL.65
TR AL.31
VMN HIGH
High voltage on motor phases –
Possible short circuit on battery
+ or no battery –
Drive operation blocked
Check the continuity from
Battery negative to EB2.B-.
TR AL.37
CONTACTOR CLOSED
(Internal to Drive board (EB2) )
Drive operation blocked
Replace the Main Machine
Controller.
TR AL.38
CONTACTOR OPEN
Contactor not closing
Drive operation blocked
Check for the drive system
contactor (ES2) wires, replace
the contactor.
TR AL.53
STBY I HIGH
Issue internal to the drive
board.
Drive operation blocked
Switch off and on the machine
by key switch (KEY).
If persists, replace the Main
Machine Controller.
TR AL.60
CAPACITOR CHARGE
The power-supply capacitors
are not charging – problem
internal to Drive Wheel
Controller (EB2) or battery
problem
Drive operation blocked
Check the battery voltage or
substitute the Drive Wheel
Controller.
TR AL.62
TH. PROTECTION
High internal temperature
Drive operation blocked
Check the working current in
the drive system motor (M0).
TR AL.65
MOTOR TEMPERAT.
Motor thermal sensor over
150°C
Maximum drive speed reduced
to 23%
Check the working current in
the drive system motor (M0).
Check for exceeding dust
in the drive system motor
compartment.
TR AL.66
BATTERY LOW
Battery below 10%
Drive operation blocked
Check the battery voltage and
the battery connections.
TR AL.74
DRIVER SHORTED
Contactor diode short circuit
(internal to Drive Wheel
Controller (EB2) ) or no
contactor positive (internal to
Drive Wheel Controller (EB2) )
Drive operation blocked
Replace the Main Machine
Controller.