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VÄRMEBARONEN EP 31 300
Alarm - warning - information
R11
HIGH TEMP,PANEL!
Cause: High temperature of panel circuit board
Remedy: Check the cause.
Highest permitted ambient temperature is
≤
30°C.
R12
LOW WATERLEVEL,TANK!
Cause: Low water level in the boiler
Remedy: Check the reason, add water and vent the system.
Yellow indicator flashing - warning
Automatic reset when the cause has ceased.
Y1
PE-CURRENT! PEC
Cause: Increasing values in earth fault current, PEC.
Remedy: See R9, High earth current, PEC.
Y2
OVERTEMPERATURE!
Cause: The boiler temperature is higher than the boiler
temperature value.
Remedy: Check that the boiler has sufficient flow and that all
necessary valves are open.
Check the setting for over temperature.
Y3
WATER LEVEL!
Cause: Variations in the signal from the boiler's level sensor.
Remedy: Check the reason, add water and vent the system.
Y4.
LOW FLOWRATE!
Cause: Function to prevent unnecessary contactor opera-
tions and reduce the risk of the temperature guard
tripping.
Remedy: Check the water flow through the boiler.
Green indicator flashing - information
Something is preventing power increase/decrease.
Automatic reset when the cause has ceased.
G1
TIME BLOCK!
Cause: Delayed power connection after restart after
power cut.
G2
LOAD MONITOR!
Cause: Load guard limits power increase/decrease.
G3
Ext ANALOG PWR LIM.!
Cause: The boiler's power increase/decrease is limited
by an external setpoint or stage limit.
G4.
LIMITING SET TEMP!
Cause: The boiler temperature is restricted by min or
max limit.
