Technical data

24 • XM670K-XM679K I&O Manual 026-1218 Rev 0 19-DEC-2012
15 Alarm Signals
Message Cause Outputs
PON Keyboard enabled Outputs unchanged
POF Keyboard locked Outputs unchanged
rst Alarm reset Alarm relay reset
nOP Probe not present Compressor output according to parameter Con and COF
P1 First probe failure Compressor output according to parameters Con and COF
P2 Second probe failure Defrost end is timed
P3 Third probe failure Outputs unchanged
P4 Fourth probe failure Outputs unchanged
P5 Fifth probe failure Outputs unchanged
P6 Sixth probe failure Outputs unchanged
HA Maximum temperature alarm Outputs unchanged
LA Minimum temperature alarm Outputs unchanged
HAd Defrost high temperature Outputs unchanged
LAd Defrost low temperature Outputs unchanged
FAd Defrost low temperature Outputs unchanged
HAF Fan high temperature Outputs unchanged
LAF Fan high temperature Outputs unchanged
StP
Stop due to regulation pauses (Sti and Std
parameters)
Compressor and valve OFF
PAL Lock due to pressure switch All outputs OFF
rtc RTC configured incorrectly Outputs unchanged
rtf RTC failure Outputs unchanged
dA Door open Compressor and fans restarts according to rrd and odc
EA External alarm Outputs unchanged
CA Serious external alarm (i1F=bAL) All outputs OFF
EE EEPROM failure All outputs OFF
LOP Minimum operating pressure reached According to dML
MOP Maximum operating pressure reached According to dML
LSH Minimum superheat alarm Valve closed
MSH Maximum superheat alarm Outputs unchanged
Table 15-1 - Alarm Signals