IPV series (IPV-4K24U, IPV-6K48U, IPV-4K24U Pro, IPV-6K48U Pro, IPV-12K48U) — warning and fault code
Itel Energy 01 error code
Display code 01 covers two events: as a warning it signals output overload (flashing fault LED, two beeps per second); as a fault it signals DC bus over-voltage (solid fault LED, output switched off).
Likely causes
- Connected load above the inverter's rated output
- High start-up surge from motors, pumps or compressors
- AC surge or lightning on the grid input
- Internal bus capacitor or power-stage component failure
Checks to run, in order
- 1Note whether the fault LED is flashing (warning) or solid (fault)
- 2Read the output load on the LCD and compare it with the inverter rating
- 3Ask whether there was a recent grid surge or lightning strike at the site
- 4Switch off non-essential loads and restart the inverter
Fixes
- Reduce the connected load and stagger start-up of large appliances
- Restart the unit and confirm that the code clears
- Install or verify AC surge protection on the grid input
When to escalate
If code 01 shows as a solid fault with a healthy grid and no load connected, the inverter's power stage needs distributor or service-centre diagnosis.
Fix it with the right tools
Check the system around the fault before replacing parts: load, battery bank, PV string and commissioning settings. If you need a second opinion, send the code and your inverter model to our team.
Before you open the inverter
- Isolate both the AC and DC sides, then confirm the display is dead before touching terminals.
- Use insulated tools and one hand where possible. DC arcs do not self-extinguish like AC.
- If you see burnt terminals, swollen cells, leaking electrolyte or a burning smell, stop and escalate instead of resetting the fault.
Questions installers ask
What does Itel Energy 01 mean?
Display code 01 covers two events: as a warning it signals output overload (flashing fault LED, two beeps per second); as a fault it signals DC bus over-voltage (solid fault LED, output switched off).
How do I fix Itel Energy 01?
Reduce the connected load and stagger start-up of large appliances Restart the unit and confirm that the code clears Install or verify AC surge protection on the grid input
When should I escalate Itel Energy 01?
If code 01 shows as a solid fault with a healthy grid and no load connected, the inverter's power stage needs distributor or service-centre diagnosis.
Can I reset Itel Energy 01 myself?
Only after isolating the AC and DC sides and running the checks above. If Itel Energy 01 returns immediately, stop resetting it and escalate; a repeating fault usually points to a real circuit, battery or hardware problem.
Which models show Itel Energy 01?
Itel Energy 01 is documented for IPV series (IPV-4K24U, IPV-6K48U, IPV-4K24U Pro, IPV-6K48U Pro, IPV-12K48U) — warning and fault code. Confirm the code on your own unit's display or manual before ordering parts.
More Itel Energy error codes
- Itel Energy 02Display code 02 covers two events: as a warning it signals the upper cooling fan is locked (three beeps); as a fault it signals DC bus under-voltage (solid fault LED, output switched off).
- Itel Energy 03Display code 03 covers two events: as a warning it signals the lower cooling fan is locked (three beeps); as a fault it signals that the DC bus soft-start sequence failed (solid fault LED).
- Itel Energy 04Grid voltage is above the upper limit of the inverter's grid window; warning only, with no buzzer alarm.
- Itel Energy 05In a parallel system the AC outputs of the units are not connected together, or a unit is running on a different phase.
- Itel Energy 06Remote shutdown is enabled, typically from the monitoring app over Wi-Fi, so the inverter is being held off remotely.
- Itel Energy 07The load on the inverter's second AC output exceeds that output's rating; warning only, with no buzzer alarm.
Guidance reviewed 17 October 2026 by the Mishka Energy installer team. Error codes vary by brand, model family and firmware; confirm against the manufacturer manual.
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