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PROGRAMMING
GUIDE
SOLARDRIVE
PLUS
99
/
107
A081
Keypad Watchdog
Description
Watchdog for the communication to the keypad.
Event
Communication failed when the keypad was enabled as a reference source or a command
source or when it was in Local mode (Watchdog time is equal to approx. 1.6 seconds)
Possible cause
•
Keypad cable disconnected.
•
Failure of one of the two connectors of the keypad.
•
Strong electromagnetic disturbance or radiated interference.
•
Keypad failure.
•
Incorrect setting in parameters relating to serial link 1 (see the Serial Link Menu
– contact
ENERTRONICA SANTERNO
’s Customer Service).
Solution
1. Check the connection of the keypad cable.
2. Make sure that the keypad cable connectors are intact (on both drive side and keypad side).
3. Check communication parameters of serial link 1.
A083
External Alarm
Description
External alarm 1
Event
The External Alarm functionality has been programmed, but the relevant digital input is disabled
(see the Digital Inputs Menu
– for more details contact ENERTRONICA SANTERNO’s Customer
Service). If multiple digital command sources are programmed, the alarm trips if one of the
terminals in the active sources is disabled (see section 2.6.6).
Possible cause
The cause for the alarm trip does not depend on the drive; check for the reason why the contact
connected to terminal
MDIx
where
the External Alarm function is programmed opens.
Solution
Check external signal.
A087
±15V Loss
Description
Loss of ±15V.
Event
The voltage level of ±15V is inadequate.
Possible cause
Possible failure of the control board or other circuits in the Solardrive Plus.
Solution
1. Reset the alarm: send a
RESET
command.
2. If the alarm persists, please contact ENERTRONICA SANTERNO
’s Customer Service.
A093
Precharge: Bypass open
Description
Bypass relay open.
Event
The control board requested the closure of the bypass relay (or contactor) for the short-circuit of
the DC-link capacitor precharge resistors,
but no closing signal is sent
(auxiliary of the relay)
during functioning (precharge already closed).
Possible cause
Failure in the relay control circuit or in the auxiliary signal circuit detecting relay closing.
Solution
1. Reset the alarm: send a
RESET
command.
2. If the alarm persists, please contact ENERTRONICA SANTERNO
’s Customer Service.