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Some actions on a Kent system are gated. Not to slow you down — because each one, done wrong, creates a safety event, a compliance breach, or a warranty void that lands on the whole channel. Know the gates before you go on site.
For trained/authorized installers only. Attempting gated actions without authorization can end your partner accreditation and void the system warranty. “The customer asked me to” does not transfer liability.

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Gated: authorized installers with Kent training

These actions require completing Kent partner training and holding a current authorization for the platform in question. Kent M1 and Kent G3 have separate authorization paths.
The parameter-lock and advanced-menu passwords are partner-gated and differ between Kent M1 and Kent G3. Using a Kent M1 password on a Kent G3 — or sharing either password with an unauthorized crew — is a common source of mis-configured systems. Public pages will never print these passwords.
Grid code must be set exactly per the Kent parameter sheet for the site’s DISCOM — not estimated, not copied from another site. Wrong grid code creates a compliance breach with the utility. [KNB-VAL-01]
The very first commissioning login on a Kent G3 must use an Installer account. Using an end-user account for first commissioning corrupts the setup sequence. This is a one-time action that cannot be undone without a factory reset.
Selecting the wrong battery protocol or wiring the BMS comms cable incorrectly prevents the inverter from communicating with the battery. The Kent F1 comm-cable rule — including the crossover requirement — is documented on the battery pages and is an authorized-installer step.
These actions require either a direct instruction from Kent service or documented consent from the local utility (DISCOM). You cannot authorize them yourself, regardless of your installer accreditation level.
Over/under-voltage and frequency protection thresholds move only with utility consent and explicit Kent instruction. Adjusting them to silence nuisance trips is a compliance breach, not a fix. The right path is to escalate the trip pattern to Kent service and let them lead the utility conversation.
There are no user-serviceable parts inside a Kent hybrid inverter beyond the accessible wiring terminals. Internal repairs are factory or Kent service territory — opening a cover beyond the wiring compartment requires Kent service authorization.
No field firmware flashing. If a Kent-shipped unit boots with an unexpected screen, menu, or language, photograph it and report it to Kent. Do not download or apply firmware from any external source. [KNB-VAL-12]
Cells, BMS boards, fuses, and internal wiring inside the Kent F1 battery pack are factory and service territory. A battery fault that points to internal components is an escalation, not a field repair.

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Never, by anyone

These actions are prohibited for every person in the chain — no exception, no escalation path that approves them.

Bypassing protection

Never bypass interlocks, RCDs, or SPDs to “get it running today”. A system running without protection is a liability event waiting to happen.

Improvised N-E bonds

External neutral-earth bonds added at the backup distribution board are prohibited. [KNB-VAL-04]. See Electrical Basics for the approved interim rule.

Cross-brand settings

Never apply settings from videos, forums, or documents for other brands or models to a Kent unit. Wrong parameters are invisible until a protection event, at which point the paperwork trail makes the cause obvious.

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Common mistakes

Customer pressure is real and uncomfortable to push back on. It does not transfer liability. The warranty void, the compliance breach, and the accreditation consequence belong to the installer who made the change — not the customer who asked for it.
Every parameter unlock on a Kent system is attributable. Sharing a password so a subcontractor crew can “save a call” is how wrong grid-code settings and unauthorized firmware end up on customer sites. Auditable means the trail leads to the person who shared the password.