Wolf WRS-K Installation And Operating Instructions Manual page 60

Alarm messages
Outside temp sensor faulty
or not connected (AL26)
Icing-up sensor HR faulty
or not connected (AL28)
Fire damper no. 1
responded (AL29)
Fault, EC motor, ventilation
fan (AL50)
Fault, EC motor, extract fan
(AL51)
KLM-E address 1 (AL52)
databus fault
KLM-E address 2 (AL53)
databus fault
KLM-E address 3 (AL54)
databus fault
KLM-E address 4 (AL55)
databus fault
KLM-E address 5 (AL56)
databus fault
Remote control not
connected or databus fault
(AL57)
Set value transd. not
or incorrectly connected
(AL58)
Service required (AL59)
Fault, heat recovery (AL61) Heat recovery
Humidifier service (AL62)
Humidifier fault (AL63)
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14. Fault messages
Effects Cause
Message only; Sensor or lead faulty
special function
(night ventilation,
etc.) disabled
Heat recovery Sensor or lead faulty
switched off or
does not control
Subject to parameter An external building fire
settings, either protection system has
system off, message responded. Personnel
only or smoke at risk from fire!
extraction
The system shuts Fault recognition
down through EC motor;
EC motor faulty
The system shuts Fault recognition
down through EC motor;
EC motor faulty
The system shuts Extension module
down faulty; BUS cable faulty;
incorrectly addressed
The system shuts Extension module
down faulty; BUS cable faulty;
incorrectly addressed
The system shuts Extension module
down faulty; BUS cable faulty;
incorrectly addressed
The system shuts Extension module
down faulty; BUS cable faulty;
incorrectly addressed
The system shuts Extension module
down faulty; BUS cable faulty;
incorrectly addressed
Remote control Remote control
disabled not connected or
databus fault
Set value transducer Set value transducer
disabled not or incorrectly
connected
Display only Component hours run
exceeded
Heat recovery system
switched off or faulty
does not control
Message only Humidifier requires a
service
Humidifier shuts Fault recognition
down; system through humidifier;
continues to operate humidifier faulty
Remedy
Check sensor and lead,
acknowledge fault message
Check sensor and lead
Reactivate fallen dampers,
acknowledge fault message
Check EC motor; acknowledge
fault message
Check EC motor; acknowledge
fault message
Check cable and address;
change extension module,
acknowledge fault message
Check cable and address;
change extension module,
acknowledge fault message
Check cable and address;
change extension module,
acknowledge fault message
Check cable and address;
change extension module,
acknowledge fault message
Check cable and address;
change extension module,
acknowledge fault message
Check remote control and
its wiring
Check set value transducer
and its wiring
Service the corresponding
components, reset operating
hours or increase limit value for
next service.
Check system; acknowledge
fault message
Service humidifier,
acknowledge fault message
Check humidifier; acknowledge
fault message
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