LED Display LCD Display Fault Name
The digital input assigned to the volute/
thermostat input (H1-0o = 88 or 89) is active.
• Check the wiring or wait for the volute or motor to cool.
• Auto-restart of this fault is controlled by parameter L5-53, Volute-TStat Retry Selection.
Both volute/thermostat inputs are
programmed simultaneously (H1-0o = 88
and 89).
Program only one digital input to either H1-0o = 88 or H1-0o = 89.
6.3 Fault Detection
YASKAWA TOEP YAIQPM 03B YASKAWA AC Drive - iQpump Micro User Manual
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6
Troubleshooting
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