'操作说明 Hotflow THREE_26_zh.pdf - 第518页
T ranslation of the original ENGLISH 14. DIAGNOSIS OF UNPLANNED SWITCH OFFS 451820.66.03_EN 2020-05-05 61
14. DIAGNOSIS OF UNPLANNED SWITCH OFFS ENGLISH Translation of the original
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451820.66.03_EN
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14.1 Diagnosis of control and operating unit ST 501
E1 to E4 light up
- When the cooling unit is ready for operation.
UP or DOWN arrow lights up
- In the case of differential regulation, setpoint value limits are configured for switching to fixed-
setpoint regulation.
- If the values exceed or fall short of the set limit values, the relevant LED display lights up.
Display in the case of a diagnosis:
F1 – F8 flashes alternately with the actual value display.
(See following pages for overview of diagnostic messages on the control and operating unit ST 501)
1
2
3
SET
E1
E2 E3
E4
F1
F2
°C
Translation of the original ENGLISH 14. DIAGNOSIS OF UNPLANNED SWITCH OFFS
451820.66.03_EN
2020-05-05
61
14. DIAGNOSIS OF UNPLANNED SWITCH OFFS ENGLISH Translation of the original
62
451820.66.03_EN
2020-05-05