HOA Keypad Display Minor Fault Name
Low Suction Pressure Low Suction Pressure
Cause Possible Solution
Insufficient suction pressure is present.
• Check pressure switch contact for correct operation.
• Check control wiring to drive terminal strip from pressure switch contact.
• Check to make sure that suction pressure is present by means of a separate measuring device.
HOA Keypad Display Minor Fault Name
Low Water in Tank Low Water in Tank
Cause Possible Solution
The water level in the tank is too low.
• Check pressure switch contact for correct operation.
• Check control wiring to drive terminal strip from pressure switch contact.
• Check to make sure that suction pressure is present by means of a separate measuring device.
4.6 iQpump Presets and Functions
166
YASKAWA TOEP YAIP1W 01F YASKAWA AC Drive - iQpump1000 User Manual
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