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Hydrocal M3 User Manual v1.8
ENG - 24
Here is a list of all the error codes:
Error
Description
Prescription
Notes
Err101
One of the two temperature sensor
cables is cut;
At least one cable is disconnected
Check the integrity and the
connection of the temperature
sensor cables.
Return the meter to the
manufacturer. Resettable via
IR (factory setting)
Err102
One of two temperature sensor
measurement out of range; at least
one sensor is damaged. The error
resets after the sensor replacement.
Check the integrity and the
functioning of the temperature
sensors.
Return the meter to the
manufacturer. Resettable via
IR (factory setting)
Err103
Reading/writing error; Memory of
historical data damaged.
Return the device to the
manufacturer.
Err104
Calendar Error (time bases corrupted);
Faulty time bases oscillator.
Return the device to the
manufacturer.
Err105
MBUS communication interface error
Return the device to the
manufacturer.
The error doesn’t affect the
meter correct measurement.
Err106
Reserved
Err107
Loss of power supply
Return the device to the
manufacturer for repairing
Err108
Electronics case opening
Return the device to the
manufacturer for repairing
Err201
Reserved
Err202
Reserved
Err203
Battery life below 1 year
Return the device to the
manufacturer.
Err204
Negative delta T and cooling
measurement disabled
Flow active, negative delta T
for more than 60 min and
cooling measurement disabled
Resettable by installer
Err205
Reserved
Err206
Reserved
Err207
Reserved
Err301
MBUS data exchange interactions
limit reached
Wait 00:00 of the current day
before sending additional data
requests through MBUS
interface
Err302
Negative delta T and cooling
measurement disabled (temporary
error)
Flow active, negative delta T
and cooling measurement
disabled
It auto-resets when delta T
turns positive, after 60min
of error permanence it
switches to Err204