PYD Electrobombas BEDFORD W191 Serie Manual De Instalación Y Mantenimiento página 41

OPERATING AND MAINTENANCE MANUAL
BEDFORD W191 ELECTRONIC VARIABLE SPEED DRIVE
Fault
Fault Type
Code
Fault
Fault Type
Code
Current
E018
Detection Fault
Current
E018
E021 EEPROM Fault
Detection Fault
7.2 System Running Fault and Trouble Shooting
E021 EEPROM Fault
7.2 System Running Fault and Trouble Shooting
Fault
7.2 System Running Fault and Trouble Shooting Phenomenon
Fault
Phenomenon
1. Outlet pipe leakage;
2. Check valve leakage;
Invalid sleeping
3. Pressure tank damage;
1. Outlet pipe leakage;
mode
4. High environment EMI;
2. Check valve leakage;
Invalid sleeping
5. Wrong parameter
3. Pressure tank damage;
mode
4. High environment EMI;
5. Wrong parameter
Full frequency
1. Lose pressure feedback;
operation,
2. Wrong parameter;
without constant
Full frequency
3. The pump is too small
1. Lose pressure feedback;
voltage control
operation,
2. Wrong parameter;
1. Motor anomaly;
without constant
The motor is
3. The pump is too small
2. Motor installation is not stable;
voltage control
noisy
3. The inverter carrier is low
1. Motor anomaly;
The motor is
2. Motor installation is not stable;
noisy
3. The inverter carrier is low
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W191 Series Intelligent Controller for Water Pump User Manual
Reason
W191 Series Intelligent Controller for Water Pump User Manual
5. Auxiliary power supply unit is
Reason
damaged or
voltage for IGBT;
5. Auxiliary power supply unit is
6. Power module
damaged or
damaged;
voltage for IGBT;
1. Current detection circuit is
6. Power module
abnormal
damaged;
1. Read and write error of control
1. Current detection circuit is
parameters;
abnormal
2. EEPROM damage
1. Read and write error of control
parameters;
2. EEPROM damage
Failure Cause
Failure Cause
low driving
bridge is
low driving
bridge is
 Ask supplier for support
 Ask supplier for support
 Press
 Seek service
 Press
 Seek service
Deal with countermeasures
 Check the water pipe and adjust it
Deal with countermeasures
appropriately
 Inspect check valve;
 Check the water pipe and adjust it
 Change pressure tank;
appropriately
 Transducer adopts shielded wires, shielded
 Inspect check valve;
layer connects to PE;
 Change pressure tank;
 Confirmation parameters b0.15, b0.16,
 Transducer adopts shielded wires, shielded
b0.17, b0.19
layer connects to PE;
 Confirmation parameters b0.15, b0.16,
 Check transducer and wires;
b0.17, b0.19
 Set b0.08＝1, take a factory reset
 Check transducer and wires;
 Check the motor
 Set b0.08＝1, take a factory reset
 Adjust the inverter carrier frequency b0.06
appropriately.
 Check the motor
 Adjust the inverter carrier frequency b0.06
appropriately.
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Solution
Solution
button to reset;
button to reset;