SMC Networks HRS018-A 20 R Series User Manual

HRX-OM-W058
Chapter 7 Alarm indication and trouble shooting
7.4 Other Errors HRS-R Series
7-6
Table 7-2 Alarm code list and Troubleshooting (2/2)
Code
Descriptioin
Operation
Cause / Remedy
(Press the reset key after eliminating the cause.)
AL28
Maintenance of pump
Continued
The timing of a periodical check is
informed.
Recommended to ask for the check
and service of the pump, fan motor
and compressor.
*Refer to’’5.18 Accumulated time
reset function’’.
Every 20,000 hours
(Option T: Every
8,000 hours)
4
AL29
Maintenance of fan motor
Continued
Every 20,000 hours
AL30
Maintenance of compressor
Continued
Every 50,000 hours
AL31
3
Contact input1 signal
detection
3
Stop
1
Contact input is detected.
AL32
3
Contact input 2 signal
detection
3
AL33
Unused
Stop
Check if “ ” is OFF.
AL34
Unused
Continued
Check if “ ” is OFF.
AL35
Unused
Continued
Check if “ ” is OFF.
AL36
Unused
Continued
Check if “ ” is OFF.
1: ’’Stop” or “Continued” are default settings. The user can change them to “Continued” and “Stop”. For details, refer
to ’’5.16 Alarm customize function’’.
2:”AL19, Communication error” is disabled in the default setting. When this function needs to be enabled, refer
to ’’5.19 Communication function’’.
3: The functions of “AL31 Contact input 1 Signal detection” and “AL32 Contact input 2 Signal detection” are not
default settings. If these functions are used, refer to “5.19Communication function”.
4: Notice on mechanical seal replacement. Mechanical seal replacement is limited to 2 times. If the cumulative
operation time of the pump exceeds 20,000 hours, please consider requesting pump inspection service.
7.4 Other Errors
 How to check other errors
The causes and remedies for failures that are not indicated by alarm
numbers are shown in ’’Table 7-3’’.
Table 7-3 Causes and remedies for failures without alarm number
Content of failure
Cause
Remedy
The operation panel
displays nothing
No power supply
(The breaker for the power supply is not
turned on.)
Supply the power.
Trip of breaker due to short-circuit and
current leakage
Repair the short-circuit or current leaking
part.
The [RUN] LED does
not light up even
when the
[RUN/STOP] switch is
pressed.
Communication is set.
Check the presence of communication
setting.
Failure of the [RUN] LED
Replace the controller.
Failure of the [RUN/STOP] switch
Replace the controller.

SMC Networks HRS018-A 20 R Series Specifications

General

Brand	SMC Networks
Model	HRS018-A 20 R Series
Category	Chiller
Language	English