CLIMAVENETA MICS FF, Installation, Operating And Service Manual

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MICS / MICS-N
21
English 07/07
DISPLAYING ALARMS
I A
FAULT CAUSE REMEDY
Values display indication
HP1
High pressure switch tripped
Check fault
Reset the switch
Values display indication
LP1
Low pressure switch tripped
(automatic reset)
Check fault
Values display indication
A1
Compressor thermal cut-out tripped
(manual reset)
Check water outlet temperature
Check water flow
Check set point temperature
Values display indication
E2
Water delivery sensor BT2 malfunction
(automatic reset)
Check electrical connections
Replace component
Values display indication
E4
Coil sensor BT3 malfunction
(automatic reset)
Check electrical connections
Replace component
Values display indication
E1
Water return sensor BT1 malfunction
(automatic reset)
Check electrical connections
Replace component
Values display indication
FL
Differential pressure switch or flow switch
tripped
(automatic reset)
Check for inadequate water flow
Check presence of air in water circuit