auer HRC70 - Page 45

- INSTALLER 7 & 11kW HRC
70
HIGH TEMPERATURE HEAT PUMP MANUAL -
45
clock
err
Clock / timer
1 - clock not set
2 - PCB fault
Permanently operates in
eco mode
(heating modes ignored)
Replace electronics board
Manual
memory
err
Memory Memory defect
HP stopped
and backup stopped
Replace electronics board
Manual
Overheating at
HRC Pilot outlet
"Module outlet overheating error"
repeated more than 12 times in 24h
Compressor
and back-up stopped
Manual
Overheating at
HRC Pilot outlet
Outgoing water temp. > 80°C
Compressor
and back-up stop briefly
Automatic as soon as
outgoing water temp
Hp output
ERR
HP outgoing water temp
sensor defect
HP outgoing water temp. sensor data
is illogical
HP stopped, back-up
only authorised
Automatic
after repair
Overheating defect
at HP outlet
"HP outlet overheating error"
repeated more than 10 times in 24h
Compressor
and back-up stopped
Manual
Overheating error
at HP water outlet
HP outgoing water temp > 75°C
Compressor and back-up
stop briefly
Automatic as soon as
outgoing water temp.
HP input
ERR
HP incoming water
temp. sensor
HP incoming water
temp. sensor data is illogical
HP stopped, back-up
only authorised
Automatic
after repair
Prob comp
Compressor
power supply
defect
Problems at start-up,
power grid not suitable,
insufficient voltage,
progressive start-up defective
Compressor stopped.
Heat pump attempts compressor
start-up every hour.
Manual
after normal operation
has resumed
STARTER
ERR
Smart starter
error
Problems at start-up,
power grid not suitable,
insufficient voltage,
progressive start-up defective
Compressor stopped.
Heat pump attempts compressor
start-up every 20 minutes
Manual
evap. Senso
Evaporator sensor
data illogical
The values read by the air and
evaporator sensors are illogical
while a compressor is running.
Defect displayed, heat pump
still operational
Manual
after normal operation
has resumed
Pilot
err
Outgoing water temp.
sensor defect
Outgoing water temp.
sensor data is illogical
Backup stopped
Automatic
after repair
swim. pool
err
Swimming pool
sensor defect
Ohmic value of swimming pool
sensor is too low
No heating request
for swimming pool
Automatic
after repair
out senso
ERR
Outdoor sensor
positioning error
or
Temperature for heating curve
= (Air temp. + Out.)/2
Automatic
pressure
err
Pressure sensor
defect
Pressure detector disconnected
or defective
HP and back-up stopped
Automatic
after repair
pressure
0.2
Insufficient
water pressure
Pressure measured by pressure
sensor < 0.3 bar
Both compressors stopped
and back-up
and circulator pumps after 2 min.
Automatic as soon as
pressure > 0.5 bar
cuto. Hpre
HP cutout HP pressure switch on
Compressor stopped
Manual
cuto. lpre
Low pressure error LP pressure switch on
Compressor stopped
Automatic when
low pressure switch off
Manual after 3 errors
in the same hour
DHW Temp.
ERR
DHW temp.
sensor error
(Amb2 input on
electronics board)
Circuit 2 is programmed as
domestic water circuit
with DHW sensor and the data readings
from this sensor are illogical
No domestic hot water request
Automatic
after repair
Hp output
76.2°C
MODULE
96°C