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320 Fault tracing
Warning / Aux.
code
(
aux code visible
Code
only on assistant
(hex)
control panel and drive
composer
)
D50C Maximum flow
protection
Programmable
warning:80.17
Maximum flow
protection
D50D Minimum flow
protection
Programmable
warning:
80.18
Minimum flow
protection
D50E Outlet minimum
pressure
Programmable
warning:
82.30 Outlet
minimum pressure
protection
D50F
Outlet maximum
pressure
Programmable
warning:
82.35 Outlet
maximum pressure
protection
D510
Inlet minimum
pressure
Programmable
warning:
82.40 Inlet
minimum pressure
protection
Cause
Actual flow is exceeded
the defined warning
level.
Actual flow is below the
defined warning level.
Measured outlet
pressure is below the
defined warning limit.
Measured outlet
pressure is above the
defined warning limit.
Measured inlet pressure
is below the defined
warning level.
What to do
Check the system for leakages.
Check flow protection settings
in parameters
80.15 Maximum
flow,
80.17 Maximum flow
protection, and
80.19 Flow check
delay.
Check that the inlet and outlet
valves are open.
Check flow protection settings
in parameters
80.16 Maximum
flow,
80.18 Minimum flow
protection, and
80.19 Flow check
delay.
Check the pump outlet for
leakages. Check the
configuration of outlet pressure
protection.
See parameters
82.30 Outlet
minimum pressure protection
82.31 Outlet minimum pressure
warning
level.
Check the pump outlet for
blockages or closed valve.
Check the configuration of
outlet pressure protection.
See parameters
82.35 Outlet
maximum pressure protection
82.37 Outlet maximum pressure
warning level
Check the pump inlet for
blockages or closed valve.
Check the configuration of inlet
pressure protection.
See parameters
82.40 Inlet
minimum pressure protection
82.41 Inlet minimum pressure
warning level
and
and
and
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