Technical data

/08.2011/CW/33EN
Alarm message Cause for alarm Cause Elimination
C7000:
Airflow failure
C1002:
FLO#
Differential pressure for air
-
flow switch has triggered.
1. Fan motor defective. Fan
speed too low.
2. Air filter extremely clogged.
3. V-belt worn.
4. Hoses to the airflow monitor
dirty or kinked.
Check fan motor on voltage conti
-
nuity and current consumption.
Fan mechanically blocked?
Check air filter.
Exchange V-belt.
Clean hoses and check whether
they are kinked .
C7000:
Sensor # error
C1002:
not existant
The tolerance to the average
value adjustable in the cont
-
roller has been exceeded.
1. Big difference of measeured
values in selected zone.
2. sensor defective.
Check room on
Hotspots or chilled
air zones, moist zones.
Check measured value with an
external measuring instrument.
C7000:
Sensor # defec-
tive
C1002:
SE t or SE h
The measured voltage/cur-
rent is outside the range
defined in the controller.
C1002:
temperature: <3°C or >50°C
humidity: <3% or >97% r.h.
1. electrical connection defective.
2. sensor cable defective.
3. sensor defective.
Check connections
.
Check cable on continuity.
Check measured value with
external thermometer, hygrostat,
pressure gauge.
Depending on the option configured in the controller further alarm messages exist.
# stands for a number in case of several components of the same kind.
9. Malfunction