EN
Troubleshooting
CRX1050 – CRX1140
30
12
Troubleshooting
The significance of the red LED (fig.
6
2, page 5, fig.
7
2, page 6)
For operational faults it illuminates several times. The number of pulses
depends on the type of fault.
Each flash lasts for one quarter of a second. After the series of impulses a
pause follows. The sequence for the fault is repeated every four seconds.
Number of
flashes
Fault
Possible cause
1
Line Voltage
The supply voltage is outside of the set range.
2
Excessive fan current
The fan load on the electronics unit is more
than 1 A.
3
The motor doesn't start
The rotor is jammed.
The pressure difference in the cooling system
is too high (> 5 bar).
4
Speed too low
If the cooling system is overloaded, the mini-
mum speed of the motor of 1,850 rpm cannot
be maintained.
5
Overheating of the elec-
tronics unit
If the cooling system is loaded too heavily or
the temperature is set too high, the electronics
can overheat.
Constantly
NTC errors
NTC is defective.
Содержание CRX1050
Страница 2: ......
Страница 3: ...CRX1050 CRX1140 3 CRX 1050 1 2 3 5 4 6 7 1 1 2 3 5 4 6 7 CRX 1065 2...
Страница 4: ...CRX1050 CRX1140 4 1 2 3 5 4 6 7 CRX 1080 3 4 1 2 3 5 4 6 7 CRX 1110...
Страница 5: ...CRX1050 CRX1140 5 5 5 1 2 3 5 4 6 7 CRX 1140 1 2 3 4 6 5 7 8 6 CRX1050 CRX1065 CRX1080...
Страница 6: ...CRX1050 CRX1140 6 7 CRX1110 CRX1140 1 2 3 4 6 5 8 7 1 4 3 2 ca 50 mm 8...
Страница 7: ...CRX1050 CRX1140 7 2 1 9 1 2 0...
Страница 8: ...CRX1050 CRX1140 8 a b c...
Страница 10: ...CRX1050 CRX1140 10 1 Vent Lock g 380 534 500 CRX 1050 h CRX 1065 448 525 545 i...
Страница 11: ...CRX1050 CRX1140 11 CRX 1080 475 640 528 j CRX 1110 520 745 558 k...
Страница 12: ...CRX1050 CRX1140 12 CRX 1140 525 812 620 l...