Nastec SUND, Инструкция по установке, использованию и техническому обслуживанию

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Warning Description Possible solutions
W27 START/STOP
block The START/STOP buttons have been
locked. • Press the START or STOP button for at least 5 seconds to release
the lock.
15. Warnings (version without display)
Warning Notification LED Description Possible solutions
W01 Digital in-
put active 1 Fast flashing yellow
alarm LED Digital input 1 has been activated. • Check the configuration and connec-
tions to digital input 1.
W02 Digital in-
put active 2 Fast flashing yellow
alarm LED Digital input 2 has been activated. • Check the configuration and connec-
tions to digital input 2.
W05 Minimum
irradiation Yellow alarm LED on
and alarm display via
App. In control mode MPPT, when parameter Full
scale solarimeter is greater than 0, the irradia-
tion reading has fallen below the value set for
parameter Min stop irradiation. • Check that the parameters Full
scale solarimeter and Min stop irradi-
ationare set correctly.
W18 Minimum
flow Yellow alarm LED on
and alarm display via
App. In control mode MPPT, when parameter Flow
Measure is active, the flow rate reading has fall-
en below the value set for parameter Min stop
flow. • Check that the parameters Flow
Measure and Min stop floware set
correctly.
W19 Flow switch
active Yellow alarm LED on
and alarm display via
App. In control mode MPPT, when parameter Dig.
input 2/3 delay is greater than 30 seconds, the
digital input 2, to which the flow switch is con-
nected, has been activated. • Check the correct configuration of
digital input 2.
• Check the correct operation of the
flow switch and the connection to dig-
ital input 2.
• Check the value of parameter Dig. in-
put 2/3 delay.
SUND
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