HOHANKGEN LATAM
HOHANKINTERNATIONAL GENLATAM

Factory Standby Power Service FAQ

When Can a Factory Power Fault Be Handled Remotely, and When Is an On-Site Engineer Required?

Alarm confirmation, parameter review and simple operations can begin remotely; complex electrical work, mechanical inspection, large-motor starting and safety risks require an on-site engineer.

Production Recovery

Remote Diagnosis Narrows the Fault Quickly; On-Site Service Handles Safety, Inspection and Adjustment

Not every factory fault requires an immediate visit, and not every problem can be solved remotely. Alarm confirmation, parameter checks, resets and simple transfers can be reviewed first at a distance; switchboards, paralleling, large motors, mechanical inspection, safety loads and critical-line recovery require an on-site engineer.

Key Engineering Point Remote and on-site support are not substitutes. First narrow the fault, then bring the right people, tools and spare parts to the site.

Probable Causes

Use Remote Diagnosis Quickly Where Appropriate and Close Safety or Restart Risks On Site

Remote diagnosis shortens decision time and avoids ineffective visits. On-site service enables instrument testing, mechanical disassembly, electrical adjustment, safe isolation and recovery verification. The method should be chosen by risk level.

01

Remote Diagnosis Confirms Status and Narrows the Fault

Operating parameters, alarm codes, transfer records and simple resets help locate a fault in the generator set, distribution, loads or control chain.

02

On-Site Service Handles Complex or High-Risk Work

Switchboard testing, paralleling adjustment, large-motor starting, mechanical inspection and safety-load confirmation require on-site tools and operating authority.

03

Critical Production Lines Require Recovery Verification

After a fault affects product quality, safety, environmental controls or continuous production, confirm that loads and control systems are stable.

Diagnostic Process

Engineers Assess Risk First, Then Choose Remote or On-Site Support

  1. 01

    Confirm whether the fault affects safety, environmental controls, critical lines, plant utilities or non-interruptible processes.

  2. 02

    Review alarms, operating parameters, transfer status, load percentage and observable site conditions remotely.

  3. 03

    Determine whether switchboards, paralleling, large motors, mechanical disassembly, protection settings or safe isolation are involved.

  4. 04

    When a visit is required, define the inspection objective, tools, spare parts, shutdown window and recovery checks.

When an On-Site Inspection Is Required

These Conditions Require On-Site Inspection, Not Remote Observation Alone

  • The fault affects safety, environmental controls, critical lines, temperature-controlled processes or continuous utility operation.
  • The work involves low-voltage switchboards, ATS equipment, paralleling switchgear, large motors, mechanical inspection or protection settings.
  • The same alarm recurs and the system does not remain stable after a remote reset.

Prevention and Maintenance

To Find Problems Before an Outage, Every Inspection Must Be Recorded and Reviewable

Preventive Checks

  • Maintain the operating parameters, alarm history, transfer records and critical-load status needed for remote diagnosis.
  • Predefine the on-site response level, shutdown window and safe-isolation procedure for high-risk faults.
  • Periodically review remote and on-site outcomes to reduce repeat failures and unnecessary waiting.

Maintenance Routine

  • After an alarm, assess the impact by risk level before simply resetting or stopping equipment without diagnosis.
  • During remote support, record every operation, parameter change and load-recovery status.
  • After on-site service, verify recovery of the generator set, distribution, loads and control systems.

Engineering Recommendation

Professional factory service depends on knowing the boundary: solve remotely what can be solved quickly, and go on site decisively when closure is required. The goal is always to shorten downtime without sacrificing safety or process stability.

Engineering Support