What does 'Mains Input Volt Phase Seq Abnormal' mean on my Delta Modulon DPH UPS?
If your Delta UPS shows 'Mains Input Volt Phase Seq Abnormal', it means the wiring is incorrect. Check the wiring and phase sequence of the main AC source, and contact service personnel for assistance.
What to do if my Delta Modulon DPH shows 'Battery Disconnected'?
If your Delta UPS displays a 'Battery Disconnected' message, first check if the batteries are properly connected. Also, verify if the battery breaker is turned off; if so, turn it on. If the alarm persists after these steps, contact service personnel for assistance.
How to fix Delta Modulon DPH UPS when 'Mains Input Volt/ Freq Out Range'?
If your Delta UPS shows a 'Mains Input Volt/ Freq Out Range' error, first check if the input breaker or switch is turned off and turn it on if it is. Then, check if the main AC source's voltage or frequency is abnormal and wait for it to be restored. If the alarm persists, contact service personnel.
What does 'Charger Over Heat Shutdown' mean on my Delta UPS?
If your Delta UPS displays 'Charger Over Heat Shutdown', check if any foreign matter blocks the fans and remove it. If the problem persists, contact service personnel.
What should I do if my Delta Modulon DPH UPS reports 'Battery Reversed'?
If your Delta UPS reports 'Battery Reversed', check the battery wiring. If there is any error or abnormality, contact service personnel.
What does 'EXTCAN Bus Abnormal - Physical' mean on my Delta UPS?
If your Delta UPS displays 'EXTCAN Bus Abnormal - Physical', check if the parallel cable is firmly connected and contact service personnel.
What does it mean if my Delta Modulon DPH displays 'Battery End of Discharge Imminent'?
If your Delta UPS displays 'Battery End of Discharge Imminent', and there is no bypass power feeding the system, shut down the connected loads in accordance with normal procedures as soon as possible, because the battery voltage is lower than the alarm value.
What does it mean if my Delta UPS displays 'Battery End Of Discharge'?
If your Delta UPS displays 'Battery End Of Discharge', and there is no bypass power feeding the system, shut down the connected loads in accordance with normal procedures as soon as possible, because the battery voltage is lower than the End-of-Discharge setup value.
What does 'INV #n PLL Bus Abnormal' mean on my Delta Modulon DPH UPS?
If your Delta UPS displays 'INV #n PLL Bus Abnormal', confirm if the main AC source’s voltage is abnormal. If it is, wait for the main AC source to be restored to normal. If not, contact service personnel.
Why Delta UPS shows 'Bypass Input Volt Out Range'?
If your Delta UPS shows a 'Bypass Input Volt Out Range' error, it could be due to the bypass breaker or switch being turned off, or the bypass AC source's voltage being abnormal. Check if the bypass breaker or switch is off and turn it on if it is. Also, check if the bypass AC source's voltage is abnormal and wait for it to be restored. If the alarm persists, contact service personnel.
General| Model | Delta Modulon DPH series |
|---|---|
| Category | UPS |
| Frequency | 50/60 Hz |
| Topology | Double Conversion Online |
| Input Voltage | 380/400/415 V (3-phase, 3-wire + PE or 3-phase, 4-wire + PE) |
| Output Voltage | 380/400/415 V (3-phase, 3-wire + PE or 3-phase, 4-wire + PE) |
| Communication Interface | RS232, SNMP, Modbus |
| Operating Temperature | 0°C to 40°C |
| Relative Humidity | 0 to 95% (non-condensing) |
| Dimensions | Varies by model |
| Weight | Varies by model |
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