Rhymebus RM6F5 series, Operation Manual

Page: 147 / 195

Chapter 8 Operation Procedures and Fault Protection
147
8
Error Trip Messages of Drive
Display Description Cause Troubleshooting
(thr)
SV
KEYPAD
PV
Running
External fault
The multi-function
terminal receives
the external fault
signal.
Clear the external
fault and then press
OFF
RESET
key.
(ntCF)
SV
KEYPAD
PV
Running
NTC thermistor
sensor fault
●NTC thermistor
sensor broke down.
●The wiring
connection of the
NTC thermistor
sensor is loose.
●Check whether the
NTC thermistor
sensor is normal.
●Check whether the
wire of NTC
thermistor sensor is
normal.
(PAdF)
SV
KEYPAD
PV
Running
Keypad
interruption
during copy
●The connecting
wire of the keypad
is loosen.
●The keypad jack of
the drive is
oxidized.
Check the connecting
wire of keypad.
(no Fb)
SV
KEYPAD
PV
Running
PID feedback
signal error
The feedback signal
wire is loosen/
tripped.
Check the feedback
signal wire.
(OP)
SV
KEYPAD
PV
Running
Over pressure
●The setting value
of F148 is not
appropriate.
●Pump oulet
pressure is too high.
●The water valve
shut down
immediately.
●The pressure
sensor is abnormal.
●Check whether the
setting value of
F148 is appropriate.
●Check whether the
pressure of water
pipe is normal.
●Check whether the
pressure sensor is
normal.
(Fb Lo)
SV
KEYPAD
PV
Running
Water shortage
protection
●Pressure level of
water shortage
F_119
●Current level of
water shortage
F_120
●Detection time of
water shortage
F_121
●Outflow is greater
than inflow.
●Pump cannot suck
up any water.
●The inlet of pump
is blocked.
●Check whether the
water usage is
under the normal
condition.
●Check whether the
water storage tank is
lack of water.
●Check whether the
inlet is blocked .