Grundfos G 401, Инструкция по установке и эксплуатации

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5. Indicator lights (LEDs)
Fig. 1 Indicator lights
T
M
03
14
86
22
05
LED
F
On System fault
Off No fault
R
On In operation
Off Out of operation
P
On Supply connected
Off Supply not connected
B
On
Capacity of internal back-up battery
OK
Off
Capacity of internal back-up battery
too small for GSM transmission
S
On G 400 connected to GSM operator
Off
G 400 not connected to GSM
operator
Tx
On Modem sending
Off No modem activity
Rx
On Modem receiving
Off No modem activity
W
On GSM modem activity
Off No GSM modem activity
M
On SMS received
Off No SMS
Tx
On Ethernet link OK
Off No Ethernet connection
Rx
On Ethernet activity
Off No Ethernet activity
C
On Communicates with the CU 401
Off No communication with the CU 401