Franklin Electric CERUS X-DRIVE CXD-003A-4V, Installation And Operation Manual, Page: 181 / 252

MAINTENANCE
Troubleshooting
181
OPHL
(28)
Output PHL Warn
Output phase loss
Action and Reset
Action condition [PROT-23]
Action time N/A
Related parameters [PROT-21]
Reset method Set [PROT-21] = 0_Alarm and Run and stop the drive
Reset condition Immediately
Recorded N/A
Possible Causes Corrective Action
• Unbalanced three-phase impedance of
the motor
• Check if the wiring is incorrect
• Check if the motor is a single-phase
motor
• Check if the current sensor is broken
• If capacity of the drive is larger than the
motor
• Replace the motor.
• Check the cable. Replace the cable.
• Choose a three-phase motor.
• Check if the control board cable is loose. If yes, reconnect the cable and run the drive to test. If the
error still occurs, return to the factory for repair. Check if the three-phase current is balanced with a
current clamp meter. If the current is balanced and the OPHL error still shows on the display, return
to the factory for repair.
• Choose the matches capacity of the drive and motor.
Warning Display Description
oSL (24)
Over Slip Warn
Over slip warning. By using the maximum slip as the base, when the drive outputs at constant speed, and the F > H or
F < H exceeds
[Motor-19]
level and
[Motor-20]
setting time, 100%
Action and Reset
Action condition When the drive outputs at constant speed, and F > H or F < H exceeds
[Motor-19]
Action time
[Motor-20]
Related parameters
[Motor-21]
= 0
Reset method Automatically
Reset condition When
[Motor-21]
= 0 and when the drive outputs at constant speed, and F > H or F < H no longer exceeds
[Motor-19]
Recorded N/A
Possible Causes Corrective Action
• Motor parameter is incorrect
• Load is too large
• Check if the settings for
[Motor-19]
and
[Motor-20]
are properly set
• Check the motor parameter.
• Decrease the loading.
• Check the parameter settings for oSL protection.
Warning Display Description