Compact modular scroll chillers for small commercial cooling and tenant fit-outs.
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Troubleshooting Guide
Tap a fault for likely causes, what to check on site, and when to call us out.
Likely causes
What to check
Read the fault history on the controller rather than just clearing the alarm, and check incoming supply.
When to call us
If the unit locks out again within a day, stop resetting it and call — repeated restarts destroy scroll sets.
Likely causes
What to check
Compare each sensor reading against a calibrated thermometer at the same point.
When to call us
Erratic or out-of-range readings need sensor replacement — running on a bad sensor risks compressor damage.
Likely causes
What to check
Confirm pump operation and flow switch function first, then check for a temperature drop across the drier.
When to call us
If flow is proven and pressure is still low, book a leak test and charge check.
Likely causes
What to check
Watch fan staging as head pressure rises and listen for bearing noise.
When to call us
Any fan not staging on with head pressure needs attention before a high-pressure lockout.
FAQ
Twice a year for offices and retail; quarterly for server and comms rooms where a failure means downtime.
We give you both numbers. As a rule, if the repair is more than about half the replacement cost on a unit over 12 years old, replacement usually wins on running cost alone.
Yes — manifold, isolation valve and per-module compressor work, including swapping a single module while the rest of the bank keeps cooling.
Yes, from selection and sizing through pipework, electrical tie-in, commissioning and handover documentation.
Comms and server room cooling is treated as priority — same-day attendance in Gauteng, with emergency after-hours callout available.
Yes. Our technicians are equipped and trained for the mildly flammable A2L refrigerants used in current generation scroll plant.
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