75
ioc 01:>cond 1
Condenser fan 1
Configured...................:1
Modbus Address...............:101
number of modbus slaves......:5
Availability.................: 0 0 0 95 100
.
.
.
Alarm........................:1
Alarm........................:0 1 0 0 0
warning......................:0 1 0 0 0
Alarm availability...........:1 1 1 0 0
}
© STULZ GmbH – all rights reserved EN/06.2018/G42
cybercool 2 scroll original insTrUcTions
Alarm message
Cause for alarm
Cause
Elimination
Frost alarm
The anti freeze thermostat has
triggered and the number of
allowed pump starts in the con-
text of frost protection manage-
ment has been exceeded.
Heat load by consumer too low.
Determine the heat load of the
consumer.
Condenser # failure
The internal evaluation of the
fan has detected an error.
Condenser fan power inter
-
ruptor has triggered.
The state display of the fan
group „cond #“ gives details to
the kind of fault.
1. Modbus connection faulty.
2. Current too high.
Shortcircuit in the cable.
Fan motor defective.
3. Electronical fan control defective.
Check cable connection on voltage
continuity and current consumption.
Replace fan.
comp. cabin temp.
too high
The adjusted limit value has
been exceeded.
1. Ventilation grilles in the compres
-
sor cabinet are blocked.
2. The first condenser fan group of
a refrigerant circuit is out of opera-
tion due to a power switch trip.
Check the grilles on cleanliness.
Did the power switch of the first fan
group trip?
Has the fan group been turned off for
maintenance?
elect. cabin temp.
too high
The adjusted limit value has
been exceeded.
Electric cabinet cooling is down.
Does the electric cabinet fan turn?
Purge the cabinet coil.
# stands for a number in case of several components of the same kind.
interpretation of the alarm display:
Trigger of the alarm is presumably the fan with the
Modbus address 102.
In this case the circuit breaker has also triggered
and cut off three fans, which are therefore no
longer reachable via Modbus.
Fan with
addr. 102
Example how to proceed in the event of the alarm "
Condenser 1 failure
"
The fans with the addr. 101,
102,103 can not be reached.
The general alarm display for the fan group may
have the following causes:
1. Fan circuit breaker has tripped
2. Fan electronics have detected an error.
3. The speed set by the C7000 has not been
attained.
