WITTUR sematic SRS DC-PWM, Instruction Manual

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17
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PM.2.004922.EN - 810-000-000 SRS DC-PWM
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· Edition 22 July 2020
the alarm code). It is possible to find the last five alarms on the handset shown in the diagnostic menu.
If the handset is available, it is possible to visualize the last occurred alarms (see “8.6.1 Consulting the Maintenance Menu with the
Handset” a pag. 24 .
The following table shows the type of signalling and the relevant alarm detected by the Door Controller:
ALARMS TABLE
Visualized code
Viewed error Error description Action undertaken by Door con-
troller
cod. 02
2 flashes
+pause
Over current protection Motor over current due to door
mechanical strain (Note 1)
Auto reset when proper condition
is restored
cod. 04
4 flashes
+pause
Power-on motor inverted Inverted motor connection or
inverted Encoder channels. Door
performs a jerk and then stops
(Note 2)
Auto reset, after about 20 seconds,
when normal operating conditions
are restored; after 5 trials in 5
minutes the system stops operation
and waits for external manitenan-
ce.
cod. 05
5 flashes
+pause
Encoder jerk Interruption of the motor’s Encoder
cables, or interruption of the motor
cables after system’s start up or
the connecting plug to the Encoder
motor is inverted
cod. 07
7 flashes
+pause
Motor jerk Interruption of the motor cables
cod. 08
8 flashes
+pause
Over-voltage Over-voltage in the power supply, it
works every time the power voltage
is over circa 50 V.
Auto reset when proper condition is
restored (Power supply lower than
45 V.)
cod. 09
9 flashes
+pause
PWM-Trip Impulse over-current (shunt short
circuit)
Auto reset, after about 20 seconds,
when normal operating conditions
are restored; after 5 trials in 5
minutes the system stops operation
and waits for external manitenan-
ce.
Notes:
1.
This alarm indicates an excessive strain on the operator's functioning; it is advisable to check that the system has minimum
friction, especially during the opening phase.
2.
If both connections (motor and Encoder signals) are inverted, the door opens when a closing signal is received and closes with an
opening signal. The Door Operator is pre-wired and tested by the manufacturer; special attention must be taken when replacing
motor and/or cables.