3004349_2017_08_03.fm
GB - BESF – Product information
12/64
1.3.3 Fault finding: phase-one EC controls
Diodes
• Diode 1: Red
• Diode 2: Yellow
• Diode 3: Green
Troubleshooting
chart
• Green diode lights up: no errors
• Red diode lights up: there is an error. Alarm relay has been tripped.
• Yellow diode: blinks for error type
NB
When the error has been remedied, the LED indicator (LED blink) on the EC control can be reset
by temporarily cutting the power until the LED goes out.
EXHAUSTO provides a two-year manufacturer's warranty on the fan.
Error code
Green
Red
Yellow
Error
Relay
None
+
-
-
1
Reserved
2
-
+
Blinks twice/pauses 4 seconds
Below voltage 170 v
+
3
-
+
Blinks three times/pauses 4
seconds
Above voltage 255 v
+
4
+
-
Blinks four times/pauses 4 seconds Overcurrent: Reduced
rpm
-
5
Reserved
6
+
-
Blinks six times/pauses 4 seconds
Overheating: Reduced
rpm
-
7
-
+
Blinks seven times/pauses 4
seconds
Overheating: Stop
+
8
-
+
Blinks eight times/pauses 4
seconds
Hardware error
+
9
-
+
Blinks nine times/pauses 4 seconds MCE Fault (IRF Chip
general fault)
+
10
-
+
Blinks 10 times/pauses 4 seconds
Motor blocked
+
11
-
+
Blinks 11 times/pauses 4 seconds
Motor phase missing
+
12
Reserved
13
-
+
Reserved
14
Reserved
15
Reserved
16
-
+
Blinks 16 times/pauses 4 seconds
Communication error
+
Summary of Contents for BESF Series
Page 1: ...3004349_2017_08_03 fm 1 64 BESF BESF 7...
Page 64: ......
