PF rEt Screen Message - Power Fail Retain Activation
⚙️ Model Compatibility: Essae DS-215HD Heavy Duty Scale.
If your scale briefly displays "PF rEt" when turning on, this is not a fault. It stands for "Power Fail Retain."
What it means:
If the AC power supply is suddenly cut off while a heavy load is sitting on the platter, the scale remembers the exact weight. When power is restored, it displays "PF rEt" and immediately recovers the active weight reading so you do not lose your transaction.
Conditions for this to work:
1. The weight on the scale must be greater than 0.5% of the machine's total full-scale capacity.
2. The internal Customer Specification parameter "T13" must have its MSD set to 1.
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