Kaisai 06RY1 - Page 53

M thermal Mono
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Midea M thermal Mono Service Manual
4 Troubleshooting
4.1 Warning
 All electrical work must be carried out by competent and suitably qualified, certified and
accredited professionals and in accordance with all applicable legislation (all national, local and other laws,
standards, codes, rules, regulations and other legislation that apply in a given situation).

Power-off the outdoor units before connecting or disconnecting any connections or wiring, otherwise electric
shock (which can cause physical injury or death) may occur or damage to components may occur.
Warning
Midea CAC Confidential
M thermal Mono
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4.2 E0, E8 Troubleshooting
Digital display output 4.2.1
Description 4.2.2
 Water flow failure.
 E0 indicates E8 has displayed 3 times. When an E0 error occurs, a manual system restart is required before the
system can resume operation.
 Mono stops running.
 Error code is displayed on hydronic system main control board for refrigerant system and user interface.
Possible causes 4.2.3
 The wire circuit is short connected or open.
 Water flow rate is too low.
 Water flow switch damaged.
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Mono