Weierwei Vev-3288s Manual Portable 【100% VERIFIED】

If you are using a 4-20mA loop, you set the internal DIP switch SW1 to the "Current" position. Failure to do so will result in a "Sensor Err" code on the display.

: Approx. 10–12 hours under standard 5-5-90 duty cycles. Weierwei Vev-3288s Manual

For many users, the manual is most critical for mastering manual frequency input and channel switching without a PC: If you are using a 4-20mA loop, you

| Code | Meaning | Fix (From Manual Page 41) | | :--- | :--- | :--- | | | Sensor Break (Input > 20mA or >10V) | Check wiring to AI1 or AI2. Is the sensor connected? | | E-04 | Output Overload (Short circuit) | Disconnect load on OUT1. Check for melted insulation on heater/pump wiring. | | E-07 | EEPROM Failure (Internal memory) | Cycle power. If persists, restore factory defaults (Parameter P-99). | | E-12 | Communication Timeout (Modbus) | Verify Baud Rate (P-80) matches your master. Check A/B terminals are not swapped. | | OUCH | Over-temperature (Internal) | Improve ventilation. The heatsink must not exceed 70°C. | 10–12 hours under standard 5-5-90 duty cycles

: Long-press the [SCAN] key to automatically find active frequencies in your area. Essential Maintenance

Intended audience and prerequisites