Lodam LMC 320, User Manual

Page: 62 / 68

62 User Manual - Lodam Heat Pump Controller
Ver
. 1.0 - 11.10.10
Alarm number
Type Name Description Elimination
Hardware
200 Critical LOM9
missing LOM9 missing Check connection
Operation
600 Warning Hi Pres High pressure switch active The unit restarts when the pressure drops below
high pressure switch low-limit again.
Check hot side pump/overflow valve on high
temperature side.
After 3
rd
cutout the alarm must be acknowledged
to start the unit again.
601 Critical Low pres. Low pressure switch active Check refrigerant charge and expansion valve.
The alarm must be acknowledged to start the unit
again.
602 Critical Leakage Low pressure in brine - brine
pressure switch active Leakage check of the brine system.
The alarm must be acknowledged to start the unit
again.
603 Critical Hi pres High pressure switch
repeatedly active Check hot side pump/overflow valve on high
temperature side.
The alarm must be acknowledged to start the unit
again.
604 Warning Frost pro-
tection Temperature too low
(state freeze protect) Heat pump and electrical heater running full
capacity.
Check that setting are not turned off.
605 Warning Heat pump
overheat Supply temperature too high
(condition total stop) Check hot side pump/overflow valve on high
temperature side.
606 Warning Solar panel
overheat Solar panel is in forced stop
condition.
(SP state Forced stop) Check connection to external temperature
adjustment.
607 Warning Legionella
failed Anti Legionella function has
timed out twice. Check electrical heaters and supply of heat to
brine circuit.
Internal controller error
904 Warning Datalog Error with internal log Reserved. Not implemented yet.
905 Warning Database Error with internal database Controller may be defect. Try update the firmware
or replace the controller.
907 Warning RTC err Error with the internal real
time clock Replace the controller.
908 Warning RTC inv Invalid data from the real
time clock Unit powered off to long. Set time and date. Else
replace the controller.
998 Warning TestVer. The software is a test version Use the release version of the software.
999 Warning Manual
mode The unit is in manual mode Change mode from Manual to On.
Alarms system