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PG2021 CHV2-VP-ECM-V2
Error Code List
Error Description
Code
Reason
Remedy
Room temperature sensor error
E1
Room sensor unplugged or
damaged.
1. Check if Tr plug is connected or not.
2. Check if sensor’s resistance is correct or not.
Indoor coil sensor 1 failure
E2
Ti1 sensor unplugged or
damaged.
1. Check if Ti1 plug is connected or not.
2. Check if sensor’s resistance is correct or not.
Indoor coil sensor 2 failure
E3
Ti2 sensor unplugged or
damaged.
1. Check if Ti2 plug is connected or not.
2. Check if sensor’s resistance is correct or not.
Float switch error
E4
Float switch is opened.
1. Check if the condensate water pipe is
connected or not.
2. Check if the pump is functioning or not.
Indoor coil low temperature
protection
E5
Water temperature is lower
than 3 ºC.
Check the water temperature.
Indoor coil over heat protection
E6
Water temperature is higher
than 70 ºC.
Check the water temperature
Filter switch protection
E7
Filter Switch is open.
Replace or clean filter.
Electric Heater failure
E8
Only for unit with EH.
1. Change fan speed to high.
EH safety switch is opened.
2. Replace the damaged EH safety switch.
EC motor failure(CN4)
E9
No EC motor feedback
1. Check Modbus setting.
2. Check the EC motor.
EC motor failure(CN5)
E10
No EC motor feedback
1. Check Modbus setting.
2. Check the EC motor.
Motor quantity setting error (S6
PCB)
E11
Motor quantity setting error
1: check Modbus setting
Anti-frozen protection
E12
When unit is standby, Tr<2ºC.
1. Turn on unit to keep Tr high than 5ºC
Indoor coil sensor 3 failure (S6
PCB)
E13
Ti3 sensor unplugged or
damaged.
1. Check if Ti3 plug is connected or not.
2. Check if sensor’s resistance is correct or not.
Indoor coil sensor 4 failure (S6
PCB)
E14
Ti4 sensor unplugged or
damaged.
1. Check if Ti4 plug is connected or not.
2. Check if sensor’s resistance is correct or not.
PM2.5 sensor failure (S6 PCB)
E15
PM2.5 sensor unplugged or
damaged.
1. Check if PM2.5 plug is connected or not.
2. Check if sensor’s resistance is correct or not.
AQI sensor failure (S6 PCB)
E16
AQI sensor unplugged or
damaged.
1. Check if AQI plug is connected or not.
2. Check if sensor’s resistance is correct or not.
Wired Wall Pad failure
E17
WWP unplugged or not well 1.
Check plugs
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz