Fault Codes / Danfoss

17 codes

AK-CC 550A

• A1 — High temperature alarm (High Temp)
• E20 — Pressure transducer error (Press.Xdcr Error)
• E24 — S2 sensor error (coil outlet)
• E25 — S3 sensor error (return air)
• E26 — S4 sensor error (discharge air)

EKC 202

• A1 — High temperature alarm (too warm).
• A2 — Low temperature alarm (too cold).
• A4 — Door alarm (door open too long).
• A61 — Condenser alarm (condenser too hot).
• E1 — Fault in the controller (internal error).
• E27 — Sensor error on S5 (Pt1000).
• E29 — Sensor error on air sensor (Sair, Pt1000).

EKC 202 (only)

• E6 — Fault in real-time clock — check the battery / reset the clock

EKC 202A/B/C

• A15 — Alarm: signal from digital input DI1 (DI1 alarm)
• A5 — Information: parameter o16 (max hold time after coordinated defrost) has expired — max hold time exceeded
• A59 — Case cleaning active — signal from digital input

EKC 202A/B/C; AK-CC 550A

• A45 — Standby mode: refrigeration has been stopped via r12 (main switch) or DI input